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  • 2005-2009  (877,718)
  • 2007  (449,212)
  • 2006  (428,528)
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  • 1
    Call number: Z 06.0500
    Type of Medium: Journal available for loan
    Pages: 30 cm
    ISSN: 1824-7741
    Former Title: Vorgänger Geologisch-paläontologische Mitteilungen, Innsbruck
    Language: German , English
    Note: Ersch. unregelmäßig , Beiträge teilweise in Englisch
    Branch Library: GFZ Library
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  • 2
    Monograph available for loan
    Monograph available for loan
    [Edgecumbe, N.Z.] : A. Muller
    Call number: M 15.89146
    Description / Table of Contents: An account of the results of the 2 March 1987 earthquake in the eastern Bay of Plenty and the aftermath's effects on the people and places on the Rangitaiki Plains
    Type of Medium: Monograph available for loan
    Pages: 223 S., , Ill.
    Language: English
    Branch Library: GFZ Library
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  • 3
    Call number: AWI A3-20-93434
    In: Meteorologische Abhandlungen / Institut für Meteorologie und Geophysik der Freien Universität Berlin, Band XXXII, Heft 1
    Type of Medium: Series available for loan
    Pages: 121 Seiten , Illustrationen
    Series Statement: Meteorologische Abhandlungen / Institut für Meteorologie und Geophysik der Freien Universität Berlin 32,1
    Language: German
    Note: Zugleich: Dissertation, Freie Unversität Berlin, [ca. 1963] , INHALTSVERZEICHNIS PROBLEMSTELLUNG UND ZIELSETZUNG 1. BEMERKUNGEN ZUM BEOBACHTUNGSGELÄNDE UND ZUM BEOBACHTUNGSMATERIAL 1.1 Das Beobachtungsgelände 1.2 Das Beobachtungsmaterial 2. HOMOGENITÄTSBETRACHTUNGEN 2.1 Temperatur 2.2 Niederschlag 2.3 Wind 2.4 Sonnenschein und Bewölkung 3. TEMPERATURVERHÄLTNISSE 3.1 Monats- und Jahreswerte 3.2 Tageswerte 3.3 Pentadenwerte 3.4 Häufigkeitsbetrachtungen 3.5 Interdiurne Veränderlichkeit 3.6 Der tägliche Gang 3.7 Vorkommen bestimmter Schwellenwerte 3.71 Frost- und Eistage 3.72 Sommer- und Tropentage 4. DER WASSERGEHALT DER LUFT 4.1 Monats- und Jahreswerte 4.2 Tageswerte 4.3 Häufigkeitsbetrachtungen 4.4 Interdiurne Veränderlichkeit 4.5 Der tägliche Gang 5. BEWÖLKUNGSVERHÄLTNISSE 5.1 Monats- und Jahreswerte 5.2 Tageswerte 5.3 Häufigkeitsbetrachtungen 5.4 Der tägliche Gang 5.5 Heitere und trübe Tage 5.6 Nebel 6. SONNENSCHEIN 6.1 Monats- und Jahreswerte 6.2 Tageswerte 6.3 Der tägliche Gang 7. NIEDERSCHLAGSVERHÄLTNISSE 7.1 Monats- und Jahreswerte 7.2 Niederschlagsbereitschaft 7.3 Tageswerte 7.4 Der tägliche Gang 7.5 Häufigkeitsbetrachtungen 7.6 Niederschlags- und Trockenperioden 7.7 Niederschlag und Wind· 7.8 Schneeverhältnisse 7.81 Schneefall und Schneedecke 7.82 Schneehöhe 7.9 Gewitter 8. WINDVERHÄLTNISSE 8.1 Windrichtung 8.2 Windgeschwindigkeit 8.21 Der jährliche Gang 8.22 Häufigkeitsbetrachtungen 8.23 Sturmtage und Windstillen 8.24 Der tägliche Gang 9.ZUSAMMENFASSUNG VERZEICHNIS DER TEXTTABELLEN VERZEICHNIS DER ABBILDUNGEN LITERATURVERZEICHNIS TABELLENANHANG
    Location: AWI Reading room
    Branch Library: AWI Library
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  • 4
    Call number: AWI A3-20-93434-2
    In: Meteorologische Abhandlungen / Institut für Meteorologie und Geophysik der Freien Universität Berlin, Band XXXII, Heft 2
    Type of Medium: Series available for loan
    Pages: 218 Seiten , Illustrationen
    Series Statement: Meteorologische Abhandlungen / Institut für Meteorologie und Geophysik der Freien Universität Berlin 32,2
    Language: German
    Note: Zugleich: Dissertation, Freie Unversität Berlin, [ca. 1963] , INHALTSVERZEICHNIS PROBLEMSTELLUNG UND ZIELSETZUNG 1. BEMERKUNGEN ZUM BEOBACHTUNGSGELÄNDE UND ZUM BEOBACHTUNGSMATERIAL 1.1 Das Beobachtungsgelände 1.2 Das Beobachtungsmaterial 2. HOMOGENITÄTSBETRACHTUNGEN 2.1 Temperatur 2.2 Niederschlag 2.3 Wind 2.4 Sonnenschein und Bewölkung 3. TEMPERATURVERHÄLTNISSE 3.1 Monats- und Jahreswerte 3.2 Tageswerte 3.3 Pentadenwerte 3.4 Häufigkeitsbetrachtungen 3.5 Interdiurne Veränderlichkeit 3.6 Der tägliche Gang 3.7 Vorkommen bestimmter Schwellenwerte 3.71 Frost- und Eistage 3.72 Sommer- und Tropentage 4. DER WASSERGEHALT DER LUFT 4.1 Monats- und Jahreswerte 4.2 Tageswerte 4.3 Häufigkeitsbetrachtungen 4.4 Interdiurne Veränderlichkeit 4.5 Der tägliche Gang 5. BEWÖLKUNGSVERHÄLTNISSE 5.1 Monats- und Jahreswerte 5.2 Tageswerte 5.3 Häufigkeitsbetrachtungen 5.4 Der tägliche Gang 5.5 Heitere und trübe Tage 5.6 Nebel 6. SONNENSCHEIN 6.1 Monats- und Jahreswerte 6.2 Tageswerte 6.3 Der tägliche Gang 7. NIEDERSCHLAGSVERHÄLTNISSE 7.1 Monats- und Jahreswerte 7.2 Niederschlagsbereitschaft 7.3 Tageswerte 7.4 Der tägliche Gang 7.5 Häufigkeitsbetrachtungen 7.6 Niederschlags- und Trockenperioden 7.7 Niederschlag und Wind· 7.8 Schneeverhältnisse 7.81 Schneefall und Schneedecke 7.82 Schneehöhe 7.9 Gewitter 8. WINDVERHÄLTNISSE 8.1 Windrichtung 8.2 Windgeschwindigkeit 8.21 Der jährliche Gang 8.22 Häufigkeitsbetrachtungen 8.23 Sturmtage und Windstillen 8.24 Der tägliche Gang 9.ZUSAMMENFASSUNG VERZEICHNIS DER TEXTTABELLEN VERZEICHNIS DER ABBILDUNGEN LITERATURVERZEICHNIS TABELLENANHANG
    Location: AWI Reading room
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  • 5
    Call number: MOP 19538/1d-6d
    Type of Medium: Monograph available for loan
    Pages: 111 S.
    ISSN: 0486-2287
    Language: Russian
    Note: In kyrill. Schr.
    Location: MOP - must be ordered
    Branch Library: GFZ Library
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  • 6
    Call number: IASS 15.89494
    Type of Medium: Monograph available for loan
    Pages: Losebl.-Ausg.
    Edition: Stand: Oktober 2010
    ISBN: 9783768501828
    Language: German
    Branch Library: RIFS Library
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  • 7
    Monograph available for loan
    Monograph available for loan
    Garmisch-Partenkirchen : Institut für atmosphärische Umweltforschung der Fraunhofer- Gesellschaft
    Call number: MOP 44829 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 25 S. , graph. Darst.
    Language: English
    Location: MOP - must be ordered
    Branch Library: GFZ Library
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  • 8
    Monograph available for loan
    Monograph available for loan
    Madrid : Secc
    Call number: PIK N 456-17-90913
    Type of Medium: Monograph available for loan
    Pages: 536 Seiten
    Series Statement: Ministerio de Transportes Turismo Y Comunicaciones : Publicación Serie A 114
    Parallel Title: 1,1=6; 2,1=13 von Publicaciones / D / Ministerio del Aire, Subsecretaria de Aviación Civil, Servicio Meteorológico Nacional
    Language: Spanish
    Location: A 18 - must be ordered
    Branch Library: PIK Library
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  • 9
    Call number: (DE-599)GBV03709842X
    Type of Medium: Monograph available for loan
    Language: German
    Location: MOP - must be ordered
    Branch Library: GFZ Library
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  • 10
    Monograph available for loan
    Monograph available for loan
    Stuttgart : Schweizerbart Science Publishers ; Volume 1, number 1 (1978)-
    Call number: M 18.91571
    Type of Medium: Monograph available for loan
    Pages: 134 Seiten
    ISSN: 2363-7196
    Series Statement: Global tectonics and metallogeny : special issue Vol. 10/2-4
    Classification:
    Tectonics
    Parallel Title: Erscheint auch als Global tectonics and metallogeny
    Language: English
    Location: Upper compact magazine
    Branch Library: GFZ Library
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  • 11
    Monograph available for loan
    Monograph available for loan
    Leningrad : Gidrometeorolog. Izd.
    Call number: MOP 33767
    Type of Medium: Monograph available for loan
    Pages: 663 S.
    Language: Russian
    Note: In kyrill. Schr., russ.
    Location: MOP - must be ordered
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  • 12
    Monograph available for loan
    Monograph available for loan
    London : Penguin Books
    Type of Medium: Monograph available for loan
    ISBN: 9780141985206
    Language: English
    Branch Library: RIFS Library
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  • 13
    Call number: 3/S 07.0034(2016)
    In: Annual report
    Type of Medium: Monograph available for loan
    Pages: 51 Seiten
    ISSN: 1865-6439 , 1865-6447
    Parallel Title: Erscheint auch als Annual report ... / Helmholtz Association of German Research Centres
    Language: English
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  • 14
    Journal available for loan
    Journal available for loan
    München : Altop Verlag ; 2007 -
    Call number: Z 19.92410
    Type of Medium: Journal available for loan
    Pages: 30 cm
    ISSN: 1865-4266
    Former Title: Vorg. Nachhaltiges Wirtschaften in Deutschland
    Language: German
    Note: Ungezählte Beil. ab 2010: Special , Ersch. jährl. 4x
    Branch Library: RIFS Library
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  • 15
  • 16
    Call number: IASS 22.95033
    Type of Medium: Monograph available for loan
    Pages: 378 S , 225 mm x 135 mm
    ISBN: 3899421876 , 978-3-89942-187-3
    Series Statement: Edition panta rei
    Language: German
    Note: Zugl.: Marburg (Lahn), Univ., Habil.-Schr., 2004 u.d.T.: Gutmann, Mathias: Die Medialität des Erfahrens
    Branch Library: RIFS Library
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  • 17
    Journal available for loan
    Journal available for loan
    Tübingen : Mohr Siebeck ; 1.1884 - 48.1931; N.F. 1.1932/33 - 10.1943/44(1945),3; 11.1948/49(1949) -
    Call number: ZS 22.95039
    Type of Medium: Journal available for loan
    Pages: Online-Ressource
    ISSN: 1614-0974 , 0015-2218 , 0015-2218
    Language: German , English
    Note: N.F. entfällt ab 57.2000. - Volltext auch als Teil einer Datenbank verfügbar , Ersch. ab 2000 in engl. Sprache mit dt. Hauptsacht.
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  • 18
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Physics Letters B 294 (1992), S. 466-478 
    ISSN: 0370-2693
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 19
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Physics Letters B 317 (1993), S. 474-484 
    ISSN: 0370-2693
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 20
    facet.materialart.
    Unknown
    Wien : [Verlag nicht ermittelbar] ; 22.1910/25(1925),3; 23.1914/31(1929/31),2-3; 24.1927,1-2; 25.1939,1; 26.1948,1; 27.1971-Band 76 (2022)
    Call number: S 91.1179
    ISSN: 0375-5797 , 0378-0864
    Parallel Title: 35=2 von European Conodont Symposium (ZDB) Guidebook, abstracts / European Conodont Symposium
    Parallel Title: 41=2 von Workshop on Agglutinated Foraminifera (ZDB) Proceedings / Workshop on Agglutinated Foraminifera. Geologische Bundesanstalt
    Parallel Title: 39=3 von International Nannoplankton Association Proceedings of the ... International Nannoplankton Association conference
    Parallel Title: 60=11 von Deutsche Gesellschaft für Geowissenschaften. Fachsektion GeoTop Internationale Jahrestagung der Fachsektion GeoTop der Deutschen Gesellschaft für Geowissenschaften
    Former Title: Vorg. Geologische Reichsanstalt Abhandlungen der Kaiserlich-Königlichen Geologischen Reichsanstalt, Wien
    Subsequent Title: Fortgesetzt durch Abhandlungen
    Language: German
    Branch Library: GFZ Library
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  • 21
    Call number: K 95.0020 / R6
    In: Geologische Karte der Republik Österreich
    Type of Medium: Map available for loan
    Pages: 1 Kt. : mehrfarb. ; 54 x 82 cm, gefaltet 12 x 21 cm + Erl.-H. (192 S., 2010) im Umschlag
    ISBN: 9783853160558
    Location: Upper compact magazine
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  • 22
    Call number: K 06.0412 / R6
    Type of Medium: Map available for loan
    Pages: 1 Kt. + Erl.-H. (2009, 162 S.) im Umschlag , mehrfarb. , 79 x 68 cm, gef. 20 x 25 cm
    ISBN: 9783853160473 , 978-3-85316-047-3
    Series Statement: Bundesländerserie. Geologische Karten der österreichischen Bundesländer
    Location: Upper compact magazine
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  • 23
    Call number: AWI S6-10-0021
    Type of Medium: Monograph available for loan
    Pages: 1 Plakat : farb., 63 x 42 cm
    Branch Library: AWI Library
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  • 24
    Call number: AWI S6-10-0019
    Type of Medium: Monograph available for loan
    Pages: 1 Plakat : farb., 63 x 42 cm
    Branch Library: AWI Library
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  • 25
    Call number: AWI S6-10-0020
    Type of Medium: Monograph available for loan
    Pages: 1 Plakat : farb., 63 x 42 cm
    Branch Library: AWI Library
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  • 26
    Electronic Resource
    Electronic Resource
    Berkeley, Calif. : Berkeley Electronic Press (now: De Gruyter)
    Economists' voice 4.2007, 4, art5 
    ISSN: 1553-3832
    Source: Berkeley Electronic Press Academic Journals
    Topics: Economics
    Notes: After decades of near constancy at 40 cents on the dollar, the gender pay gap has declined markedly. Francine Blau and Lawrence Kahn document these developments and explore the reasons both for the remaining gender pay gap and changes in the gap over time.
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  • 27
    Electronic Resource
    Electronic Resource
    Berkeley, Calif. : Berkeley Electronic Press (now: De Gruyter)
    Economists' voice 4.2007, 2, art4 
    ISSN: 1553-3832
    Source: Berkeley Electronic Press Academic Journals
    Topics: Economics
    Notes: Recognizing spam as a pollution problem points to a market-based approach that could be more effective than prior approaches based on technology or law. Marshall Van Alstyne argues that an imperfect market could create more value than even a hypothetical "perfect" filter.
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  • 28
    Electronic Resource
    Electronic Resource
    Berkeley, Calif. : Berkeley Electronic Press (now: De Gruyter)
    Economists' voice 4.2007, 2, art2 
    ISSN: 1553-3832
    Source: Berkeley Electronic Press Academic Journals
    Topics: Economics
    Notes: How do economists know what they know? In a call for a new empiricism Barbara Bergmann asserts that economists mainly make it up.
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  • 29
    Electronic Resource
    Electronic Resource
    Berkeley, Calif. : Berkeley Electronic Press (now: De Gruyter)
    Economists' voice 4.2007, 3, art4 
    ISSN: 1553-3832
    Source: Berkeley Electronic Press Academic Journals
    Topics: Economics
    Notes: The Stern Report seems optimistic about the cost of emissions reductions, and does not seriously face the fact that stabilizing the climate could require keeping much of the world in poverty, according to Rognvaldur Hannesson.
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  • 30
    Electronic Resource
    Electronic Resource
    Berkeley, Calif. : Berkeley Electronic Press (now: De Gruyter)
    Economists' voice 4.2007, 1, art2 
    ISSN: 1553-3832
    Source: Berkeley Electronic Press Academic Journals
    Topics: Economics
    Notes: Aaron Edlin confesses his selfish reasons to root for a collapse of housing prices and explains why many who worry should not.
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  • 31
    Electronic Resource
    Electronic Resource
    Berkeley, Calif. : Berkeley Electronic Press (now: De Gruyter)
    Economists' voice 4.2007, 1, art1 
    ISSN: 1553-3832
    Source: Berkeley Electronic Press Academic Journals
    Topics: Economics
    Notes: Models based on leading indicators suggest that a recession is almost certainly imminent, but Edward Leamer, a prominent econometrician, distrusts the econometrics and argues that the housing slump will be confined to that sector.
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  • 32
    Electronic Resource
    Electronic Resource
    Berkeley, Calif. : Berkeley Electronic Press (now: De Gruyter)
    Economists' voice 4.2007, 3, art6 
    ISSN: 1553-3832
    Source: Berkeley Electronic Press Academic Journals
    Topics: Economics
    Notes: The existing international agreements on climate change are inadequate, according to Scott Barrett, and a new approach is needed.
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  • 33
    Electronic Resource
    Electronic Resource
    Berkeley, Calif. : Berkeley Electronic Press (now: De Gruyter)
    Economists' voice 4.2007, 4, art4 
    ISSN: 1553-3832
    Source: Berkeley Electronic Press Academic Journals
    Topics: Economics
    Notes: Business reporters and Fed watchers focus on monetary policy which is no longer--if it ever was--the Fed's main job, according to Lester Telser. Ben Bernanke's own research suggests that even long ago the main danger to the economy came from the non-monetary effects of disruptions in confidence in the soundness of the banking system, a fact that is all the more true today.
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  • 34
    Electronic Resource
    Electronic Resource
    Berkeley, Calif. : Berkeley Electronic Press (now: De Gruyter)
    Economists' voice 4.2007, 2, art1 
    ISSN: 1553-3832
    Source: Berkeley Electronic Press Academic Journals
    Topics: Economics
    Notes: Robert Hahn and Robert Litan defend President Bush's recent executive order on government regulation.
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  • 35
    Electronic Resource
    Electronic Resource
    Berkeley, Calif. : Berkeley Electronic Press (now: De Gruyter)
    Economists' voice 4.2007, 4, art1 
    ISSN: 1553-3832
    Source: Berkeley Electronic Press Academic Journals
    Topics: Economics
    Notes: Adam Smith's methodology -- and the modern economist's -- is one of theory, led by observation. Alternative methodologies, including opinion surveys of businessmen are no more likely to generate useful answers than this time-tested epistemology.
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  • 36
    Electronic Resource
    Electronic Resource
    Berkeley, Calif. : Berkeley Electronic Press (now: De Gruyter)
    Economists' voice 4.2007, 4, art3 
    ISSN: 1553-3832
    Source: Berkeley Electronic Press Academic Journals
    Topics: Economics
    Notes: Observation-based analysis at the firm and plant level is alive, well, and growing, according to Frank Giarratani. More than eight hundred scholars, including many economists, embrace observation-based analysis, and identify with industry studies as a research field based on this principle.
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  • 37
    Electronic Resource
    Electronic Resource
    Berkeley, Calif. : Berkeley Electronic Press (now: De Gruyter)
    Economists' voice 4.2007, 5, art3 
    ISSN: 1553-3832
    Source: Berkeley Electronic Press Academic Journals
    Topics: Economics
    Notes: Steffen Kallbekken and Torben K. Mideksa explain why economic analysis may demand sharp emissions reductions today rather than the gradual path recommended by Sheila Olmstead and Robert Stavins.
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  • 38
    Electronic Resource
    Electronic Resource
    Berkeley, Calif. : Berkeley Electronic Press (now: De Gruyter)
    Economists' voice 4.2007, 5, art2 
    ISSN: 1553-3832
    Source: Berkeley Electronic Press Academic Journals
    Topics: Economics
    Notes: Carbon taxes are not likely to be politically feasible in the U.S. for addressing climate change in the short term, according to Robert Hahn and Peter Passell. The time is now ripe for the U.S. to consider adopting a cap and trade approach to reducing greenhouse gas emissions.
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  • 39
    Electronic Resource
    Electronic Resource
    Berkeley, Calif. : Berkeley Electronic Press (now: De Gruyter)
    International journal of emerging electric power systems 8.2007, 2, art1 
    ISSN: 1553-779X
    Source: Berkeley Electronic Press Academic Journals
    Topics: Electrical Engineering, Measurement and Control Technology
    Notes: In recent years, renewable energy generation has been coming up for effective use of natural energy, such as wind energy. Induction generators consisting squirrel-cage rotors are widely used as wind generators because of their salient features like robust rotor design, simplicity in the construction, maintenance free operation, etc. In this paper, it is derived that the transient current, electromechanical torque, and active power taking into account rotor speed change of induction generators at three-phase fault conditions. The output equations of the induction generator has nonlinearity, and the speed-time characteristic in a fault period is also expressed by the nonlinear equation. The approximation to derive analytical formulas for transient conditions is proposed, and the transient behavior of the induction generator is analyzed by the developed equations. The simulation block diagram in MATLAB/SIMULINK is constituted using the system equation in consideration of the nonlinearity of the induction generator. The simulation results obtained from each theoretical analysis are in close agreement with that of results obtained using MATLAB/SIMULINK simulation. Furthermore, theoretical discussion also developed to determine the fault phase angle and the time at which maximum transient currents flow in the system.
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  • 40
    Electronic Resource
    Electronic Resource
    Berkeley, Calif. : Berkeley Electronic Press (now: De Gruyter)
    International journal of emerging electric power systems 8.2007, 5, art3 
    ISSN: 1553-779X
    Source: Berkeley Electronic Press Academic Journals
    Topics: Electrical Engineering, Measurement and Control Technology
    Notes: The tariff is the best incentive factor for the industrial customer today to reduce the peak load. This paper describes different methods of pricing electricity. It is important to study the influence of the tariff on the industrial loads and the costs of electricity before ILM can be implemented. This paper is interested in studying the economic aspects of fixed and operating cost, other factors affecting the generation economy, distribution of power, etc. Costs of supplying electricity to consumers are also considered. A utility can influence its customers' load by providing financial incentives through the prices charged for electricity at different times of use. By designing discriminatory time of use tariffs in which the prices of electricity corresponds to the marginal cost of supply, a utility provides appropriate signals to the customer to increase consumption of electricity at off peak periods. The proposed algorithm is implemented to a real system in operation.
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  • 41
    Electronic Resource
    Electronic Resource
    Berkeley, Calif. : Berkeley Electronic Press (now: De Gruyter)
    International journal of emerging electric power systems 8.2007, 2, art5 
    ISSN: 1553-779X
    Source: Berkeley Electronic Press Academic Journals
    Topics: Electrical Engineering, Measurement and Control Technology
    Notes: Accurate electricity load and pool-price forecasting can provide a set of vital predicted information that helps generation, transmission and retailer participating companies to bid strategically into a deregulated electricity market in order to maximize their profits and increase returns to their stakeholders. Although a number of forecasting methods have been proposed to solve the short-term and long-term electricity load forecast, pool-price forecasting is a relatively new research area. In this article, we propose an autoregressive approach, based on a wavelet multiscale decomposition, for the prediction of one-hour ahead load and pool price based respectively on historical electricity load, and pool-price data. This approach is based on a multiple resolution decomposition of the signal using the redundant Haar à trous wavelet transform whose advantage is taking into account the asymmetric nature of the time-varying data. There is an additional computational advantage in that there is no need to re-compute the wavelet transform (wavelet coefficients) of the full signal if the electricity and pool price data (time series) is regularly updated. We assess results produced by this multiscale autoregressive method, in both linear and nonlinear variants, with single resolution autoregressive, multilayer perceptron, Elman recurrent neural network and the general regression neural network models. The input data consists of historical load and pool price data, which is collected over a period of 3 years (1999-2001), used for training, and 1 year (2002) used for testing. Experimental results are based on the New South Wales (Australia) electricity load and pool price data that is provided by the National Electricity Market Management Company.
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  • 42
    Electronic Resource
    Electronic Resource
    Berkeley, Calif. : Berkeley Electronic Press (now: De Gruyter)
    International journal of emerging electric power systems 8.2007, 1, art4 
    ISSN: 1553-779X
    Source: Berkeley Electronic Press Academic Journals
    Topics: Electrical Engineering, Measurement and Control Technology
    Notes: This paper investigates the use of trajectory sensitivity analysis (TSA) technique for assessing the transient stability of a power system at various operating conditions. The effect of placement of a thyristor controlled series compensator (TCSC) as well as the influence of the change in firing angle is also discussed. The TCSC is modeled by a variable capacitor, the value of which changes with the firing angle. The systems studied are the WSCC 3-machine, 9-bus system and IEEE 16 machine 68 bus system. The results using TSA are validated by PSCAD/EMTDC simulation.
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    International journal of emerging electric power systems 8.2007, 2, art7 
    ISSN: 1553-779X
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    Topics: Electrical Engineering, Measurement and Control Technology
    Notes: A range of techniques has been proposed to define the optimal locations and capacities of distributed generation (DG) as a means of ensuring that the maximum amount of DG can be connected to existing and future networks. However, there are limitations inherent in these methods, not least in finding the best combination of sites for connecting a predefined number of DGs. Here, a method combining optimal power flow and genetic algorithms aims to meet this requirement. Its use would be in enabling Distribution Network Operators to search a network for the best sites and capacities available to strategically connect a defined number of DGs among a large number of potential combinations. Some applications of the proposed methodology confirmed its effectiveness in sitting and sizing an assigned number of DG units.
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    International journal of emerging electric power systems 8.2007, 4, art3 
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    Topics: Electrical Engineering, Measurement and Control Technology
    Notes: This paper presents an approach for identifying the faulted line section and fault location on transmission systems using support vector machines (SVMs) for diagnosis/post-fault analysis purpose. Power system disturbances are often caused by faults on transmission lines. When fault occurs on a transmission system, the protective relay detects the fault and initiates the tripping operation, which isolates the affected part from the rest of the power system. Based on the fault section identified, rapid and corrective restoration procedures can thus be taken to minimize the power interruption and limit the impact of outage on the system. The approach is particularly important for post-fault diagnosis of any mal-operation of relays following a disturbance in the neighboring line connected to the same substation. This may help in improving the fault monitoring/diagnosis process, thus assuring secure operation of the power systems. In this paper we compare SVMs with radial basis function neural networks (RBFNN) in data sets corresponding to different faults on a transmission system. Classification and regression accuracy is reported for both strategies. Studies on a practical 24-Bus equivalent EHV transmission system of the Indian Southern region is presented for indicating the improved generalization with the large margin classifiers in enhancing the efficacy of the chosen model.
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    International journal of emerging electric power systems 8.2007, 4, art7 
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    Topics: Electrical Engineering, Measurement and Control Technology
    Notes: This paper presents a new decision tree (DT) based approach for fast voltage contingency screening and ranking for on-line applications in energy management systems. The hybrid decision tree model is developed to learn all the selected contingencies simultaneously, therefore fewer DTs are required. To reduce the size and improve the accuracy of the decision tree, the K-class problem is converted into the set of K two-class problems, and separate decision tree modules are trained for each of the two class problems. All the selected contingencies are presented to the filter module, which is trained to separate them in critical and non-critical contingency classes, which reduces the burden on ranking modular DT. The critical contingencies screened out by the filter module are presented to the ranking modular decision tree for their further ranking. To measure the severity of contingencies, bus voltage violation based scalar performance index is used. Full AC load flow is performed to generate the training and testing patterns for the proposed hybrid decision tree, under each contingency. The effectiveness of the proposed approach is tested on IEEE test systems. Once trained, a hybrid decision tree method gives fast and accurate screening and ranking of contingencies for unknown load patterns.
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    International journal of emerging electric power systems 8.2007, 5, art1 
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    Source: Berkeley Electronic Press Academic Journals
    Topics: Electrical Engineering, Measurement and Control Technology
    Notes: In this paper, a novel control algorithm is proposed to compensate the unbalanced and non-linear loads in a three-phase four-wire system using active power filters. The algorithm results in balanced and sinusoidal source currents under unbalanced and distorted three-phase supply voltages. The algorithm makes use of the positive sequence extraction of the supply voltage and the theory of instantaneous symmetrical components. To illustrate the concept, a three-phase four-wire system with unbalanced and non-linear load is considered for compensation. The detailed simulation and experimental results are presented to validate the proposed method.
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    International journal of emerging electric power systems 8.2007, 5, art6 
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    Topics: Electrical Engineering, Measurement and Control Technology
    Notes: The necessity of dynamic equivalents for power system analysis has been well known since the expansion of large interconnected power networks, and has been discussed during the last decades. The present paper proposes a new method for constructing dynamic equivalents of power systems. In this method, at the first step the ``study system" is modeled completely via a single machine-infinite bus modeling procedure. Then the ``external system" is identified as a MIMO feedback block of this model in such a manner that can include dynamic effects of the latter on the behavior of the former. The method is successfully experimented on a part of the Iranian southern network.
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    International journal of emerging electric power systems 8.2007, 5, art4 
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    Topics: Electrical Engineering, Measurement and Control Technology
    Notes: In this paper a comprehensive dynamical assessment of a high order synchronous generator plant is carried out using the Individual Channel Analysis and Design (ICAD) framework -a multivariable control engineering tool that allows robustness and system performance evaluations. The great benefits of ICAD are elucidated and contrasted to those provided by the long-time honored block diagram representations. Several models used for the small signal stability analysis of synchronous generators are evaluated under the framework of ICAD. The study, which builds on pioneering work, reveals the great advantages of carrying out control system analysis and design with higher order generator models. Moreover, careful analysis of the ICAD's Multivariable Structure Function (MSF) helps to explain, formally, why some operating conditions of the control system are more critical than others. Furthermore, correct interpretations of MSFs are amenable to robust and stable control system designs. Two kinds of studies are considered in the paper; one assesses operation under various power factor conditions and the other under a varying tie-line reactance. The control system design and stability and structural robustness assessment of the system are presented in the second part of this paper. Moreover, results obtained under the ICAD framework are compared with those arising from conventional controllers.
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    International journal of emerging electric power systems 8.2007, 6, art3 
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    Topics: Electrical Engineering, Measurement and Control Technology
    Notes: For high-frequency (HF) interference in an HVDC converter station, the modeling of the noise source which causes interference with the power line carrier (PLC) remains a problem. Based on the profound analysis of the basic principles on which HF noise in PLC band is produced during the commutation process, the equivalent model of the HVDC valve with a snubber circuit is applied to the simulation of the GUI-GUANG HVDC project in PSCAD/EMTDC. Then spectrum plots of the noise source in the frequency domain are obtained by FFT analysis of the voltage waveforms gained from the simulation. Through analyzing the spectrum characteristics of the noise source in various operating modes, the main factors influencing the level of HF noise are found. Furthermore, a modified empirical model used to calculate the level of the noise source is introduced, with particular explanation of the physical quantities used in the model. The spectra of the noise source gained from the modified empirical model and from the simulation are compared with an actual spectrum based on the GUI-GUANG HVDC project. The results show that the modified empirical model can meet the requirement of HF interference calculation.
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    The @B.E. journal of macroeconomics 7.2007, 1, art3 
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    Topics: Economics
    Notes: We analyze a monetary model with flexible labor supply, cash-in-advance constraints, and seigniorage- and tax-financed government spending. If the intertemporal elasticity of substitution of labor is greater than one, both determinate and indeterminate steady states exist. If the elasticity is less than one, there is a unique steady state, which can be indeterminate. Only in the latter case do there exist sunspot equilibria that are stable under adaptive learning. A sufficient reduction in government purchases or increase in tax rates eliminates the sunspot equilibria in many cases. However, raising taxes enough to balance the budget can fail to achieve determinacy.
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    The @B.E. journal of macroeconomics 7.2007, 1, art2 
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    Topics: Economics
    Notes: This paper shows that standard Schumpeterian theory does not imply that the incumbent monopolist has too little incentive to carry out R&D aimed at displacing its own product. If the patent holder is rational as is any other R&D investor, she will know that in equilibrium her patent's obsolescence shall not be affected by her own R&D investment, because all the R&D firms operate under perfect competition and constant returns to scale at the private level. This reconciles Schumpeterian theory with the empirical evidence on innovation by incumbents. It is proved that the usual macroeconomic implications maintain their validity.
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    The @B.E. journal of macroeconomics 7.2007, 1, art6 
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    Topics: Economics
    Notes: This paper examines the role of monetary policy in the presence of endogenous time preference. The framework in which this issue is addressed is a monetary model with cash-in-advance constraints and an additional trading friction that is typical of the class of "liquidity models" of the monetary business cycle. We find that the nature of the optimal policy designed to remove these distortions gets modified in the presence of endogenous utility discounting. Consequently the role of monetary policy is significantly altered. Specifically, monetary policy is likely to be less activist relative to the model with a fixed rate of time preference.
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    The @B.E. journal of macroeconomics 7.2007, 1, art1 
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    Topics: Economics
    Notes: We construct a dynamic error correction model of the Australian labor market using a macroeconomic panel across seven states from 1972:3 to 1999:1. Medium-run equilibrium estimates support a real wage-productivity gap and an unemployment gap. The dynamic short-run estimates support expectations-augmented Phillips curves for wages and prices, and demand-led employment growth. We compare three procedures - pooled, aggregate and mean group estimates. Considerable heterogeneity existed across states in the pooled procedure, and state-level variables had a significant impact in the aggregate procedure. Out-of-sample aggregate forecasting for the pooled, aggregate and mean group procedures suggests that the pooled one performs best.
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    The @B.E. journal of macroeconomics 7.2007, 1, art5 
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    Topics: Economics
    Notes: This paper argues that the effect of openness to trade on process innovations and skill premia importantly depends on the structure of labor markets in developed countries. Openness to trade with less developed countries is often modelled as a fall in the relative price of unskilled-labor intensive goods. We show within the model of Acemoglu (2003b) that such a fall in the relative price can make wage floors more binding and trigger costly process innovations that increase the productivity of unskilled workers. Empirical evidence using an industry panel for the US and Germany in the 1970s to 1990s supports this hypothesis: (i) embodied technology change seems distorted towards unskilled-labor intensive industries in Germany where wage floors are more important and (ii) embodied technology change in the 1980s is associated with an increase of the share of skilled labor in the wage bill of 15 percentage points in the US whereas the corresponding increase in Germany is much smaller at 3 percentage points.
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    The @B.E. journal of macroeconomics 7.2007, 1, art10 
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    Topics: Economics
    Notes: The coexistence of barriers to labor mobility with large output-per-worker disparities driven by Total Factor Productivity (TFP) differences suggests that the world's labor force is misallocated across countries. We investigate the extent and consequences of this potential misallocation in the context of a simple two-location growth model, in which production requires capital, labor and an essential immobile factor (land). We characterize the magnitude of labor movements implied by an efficient long-run allocation, and derive their implications for capital accumulation. Quantitatively, even for moderate TFP differences, we find substantial increases in world output associated with efficient allocations. These output increases are driven by large movements of labor from low to high TFP countries, as well as by a sizeable increase in the capital stock and changes in its endogenous division across countries. Our results are robust to a large set of parameter values, including unrealistically conservative ones.
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    The @B.E. journal of macroeconomics 7.2007, 1, art29 
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    Topics: Economics
    Notes: Cooley and Soares (1999) show that a pay-as-you-go (unfunded) pension system can be an outcome of a political equilibrium even without intergenerational altruism. This note assumes an endogenous growth model rather than an exogenous one. This assumption establishes a link between the savings rate and economic growth. Since the introduction of a pay-as-you-go system lowers the savings rate, it has an adverse effect on the growth rate and hence on the future interest rate and future pensions. When this additional incentive is taken into account, the level of the pay-as-you-go system chosen in political equilibrium can be lower or even, depending on calibration values, disappear entirely, relative to the exogenous growth model of Cooley and Soares.
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    The @B.E. journal of macroeconomics 7.2007, 1, art34 
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    Topics: Economics
    Notes: Despite large potential gains, international equity investment is less diversified across countries than predicted by the international version of the traditional capital asset pricing model (ICAPM). This paper provides empirical evidence on the impact of capital market frictions on international equity portfolios using data on bilateral equity holdings. Two important findings are reported: First, besides a home bias in equities, a 'friendship bias' can be observed for some country pairs. Second, indirect barriers such as the degree of financial market development and especially information asymmetries have strong explanatory power, whereas direct barriers such as capital flow restrictions have no impact.
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    The @B.E. journal of macroeconomics 7.2007, 1, art8 
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    Source: Berkeley Electronic Press Academic Journals
    Topics: Economics
    Notes: We analyze optimal discretionary monetary policy in an endogenous sticky prices model. Similar models with exogenous sticky prices can deliver multiple equilibria. This is a necessary condition for the occurrence of expectation traps (when private agents' expectations determine the equilibrium level of inflation). In our model, sticky-price firms are allowed to switch to flexible pricing by paying a random cost. For plausible parametrizations, our model has a unique low-inflation equilibrium. With endogenous sticky prices, the monetary authority does not validate high-inflation expectations and deviates to the Friedman rule.
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    The @B.E. journal of macroeconomics 7.2007, 1, art21 
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    Topics: Economics
    Notes: This paper finds that a benchmark model of habit formation in consumer preferences can explain two well-known failures of the permanent income hypothesis: the sensitivity of aggregate consumption to predictable changes in income and to lagged consumer sentiment. One novel feature of the paper's methodology is to allow for measurement errors and other transitory elements (for example, weather-related disturbances) in consumption data. In contrast with traditional wisdom, aggregate consumption growth appears to be highly persistent after controlling for measurement errors and transitory consumption fluctuations: the estimates of persistence in quarterly consumption growth jump up from the commonly assumed 0.3 to about 0.7.
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    The @B.E. journal of macroeconomics 7.2007, 1, art28 
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    Topics: Economics
    Notes: We use a panel of 16 OECD countries over several decades to investigate the effects of government debts and deficits on long-term interest rates. In simple static specifications, a one-percentage-point increase in the primary deficit relative to GDP increases contemporaneous long-term interest rates by about 10 basis points. In a vector autoregression (VAR), the same shock leads to a cumulative increase of almost 150 basis points after 10 years. The effect of debt on interest rates is non-linear: only for countries with above-average levels of debt does an increase in debt affect the interest rate. World fiscal policy is also important: an increase in total OECD-government borrowing increases each country's interest rates. However, domestic fiscal policy continues to affect domestic interest rates even after controlling for worldwide debts and deficits.
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    The @B.E. journal of macroeconomics 7.2007, 1, art17 
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    Topics: Economics
    Notes: In this paper we present a technique for assessing data quality based on conformity with Benford's Law, which states that the first digits of numbers generated from natural phenomena do not occur with equal frequency. If data do not conform to the Benford distribution, then questions arise about the process that generated it. Because neutral transformations should preserve conformity to Benford's Law, any macroeconomic adjustment that destroys this conformity should make those calculations suspect.Benford's Law is applied to one of the most commonly used data sets in economics: international macroeconomic statistics. We find that the World Bank international GDP data and purchasing power parity (PPP) corrected Penn World tables for OECD countries conform well to Benford's Law. But some subsets of the data - particularly GDP figures from the developing world -- show non-conformity consistent with deliberate manipulation of the underlying series. The test also flags potential problems with a variety of standard macro transformations of the data.
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    The @B.E. journal of macroeconomics 7.2007, 1, art11 
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    Topics: Economics
    Notes: This paper describes a simple Wicksellian macroeconomic model that can be used in undergraduate macroeconomics courses. It is designed as an alternative to the Romer (2000) model that is slowly replacing IS-LM/AS-AD in many textbooks. The Wicksellian model has four desirable features relative to the Romer model. First, it treats the interest rate as an exogenous monetary policy instrument rather than assuming that the central bank follows a monetary policy rule. Second, the model can be used to derive a monetary policy rule that is consistent with optimizing behavior on the part of the central bank. Third, the model includes a term structure equation. Fourth, the model has a simple recursive structure that makes it easy to work with. The model can be used to analyze a number of interesting issues in monetary policy that are difficult to handle in the IS-LM/AS-AD or Romer model frameworks. These include issues involving permanent versus temporary expenditures shocks, anticipated expenditures shocks, and shocks to the term structure of interest rates. The model can easily be simplified for use in a principles course or extended for use in upper-level macroeconomics courses.
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    The @B.E. journal of macroeconomics 7.2007, 1, art4 
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    Topics: Economics
    Notes: This paper empirically decomposes the channels through which the determinants of growth operate. Methodologically, channel decomposition combines growth accounting with regression analysis. Under channel decomposition, the determinants could affect aggregate productivity growth through physical capital accumulation, through human capital acquisition, or through growth in total factor productivity (TFP). The results from channel decomposition show that TFP growth is the main channel of operation for most of the determinants. Specifically, TFP growth, not factor accumulation, is what accounts for conditional convergence. This finding is extremely robust. There is also no evidence that rich and poor countries converge through different channels.
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    The @B.E. journal of macroeconomics 7.2007, 1, art14 
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    Topics: Economics
    Notes: In many countries, Employment Protection Legislation (EPL) establishes less strict dismissal procedures for specific groups of workers. This paper builds a simple matching model with heterogeneous workers in order to analyze this feature of EPL. We use the model to analyze the effects of reforms targeted at lowering the firing costs of a particular group of workers, and compare the results with those stemming from a comprehensive reform that reduces firing costs for all workers. The model is calibrated for the Spanish economy, where an important reform of this kind took place in 1997. Overall, our results point out that EPL reforms achieve the largest reduction in unemployment when they are targeted to workers with lower and more volatile productivity.
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    The @B.E. journal of macroeconomics 7.2007, 1, art31 
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    Topics: Economics
    Notes: Since the mid-1990s, extraordinary advances in semiconductors have enhanced the embodied nature of information technology, fuelling efficiency growth in computers and communication equipment industries. The consequent fall in prices has enabled the rapid diffusion of these new technologies, which have reached the critical threshold to foster productivity growth. In light of the recent growth pattern of the United States, this paper presents a model where the endogenous engine of development is the learning-by-doing process stemming from the usage of ICT for investment and consumption. Based on a two-sector framework (à la Whelan) that distinguishes between ICT-producers and -users, the model yields a sound representation of the stylized facts of the Information Age.
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    The @B.E. journal of macroeconomics 7.2007, 1, art25 
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    Topics: Economics
    Notes: During the period from 1990 to 2002, U.S. households experienced a dramatic wealth cycle, induced by a 369 percent appreciation in the value of real per capita liquid stock-market assets, followed by a 55 percent decline. However, despite predictions at the time by some analysts relying on life-cycle models of consumption, consumer spending in real terms continued to rise throughout this period. Using data that include the period from 1990 to 2005, traditional approaches to estimating macroeconomic wealth effects on consumption confront two puzzles: (i) econometric evidence of a stable cointegrating relationship among consumption, income, and wealth is weak at best; and (ii) life-cycle models that rely on aggregate measures of wealth cannot explain why consumption did not collapse when the value of stock-market assets declined so dramatically. We address both puzzles by decomposing wealth according to the liquidity of household assets. In particular, we find that significant appreciation in the value of real estate assets that occurred after the peak of the wealth cycle helped to sustain consumer spending from 2000 to 2005.
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    The @B.E. journal of macroeconomics 7.2007, 1, art20 
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    Topics: Economics
    Notes: This paper presents a two-sector growth model of international trade that can account for the key features of the postwar world development experience. Two sectors represent traditional primitive production and modern sophisticated production. Due to increasing returns in the modern sector, the open-economy version of our model gives rise to three different equilibria: one in which the country produces only primitive goods and converges to a low-income steady state; another in which it produces both primitive and sophisticated goods and converges to the world-average steady state; and a third in which it specializes in the production of sophisticated goods and converges to a balanced growth path. We argue that the development experiences of poor, rich and growth-miracle countries are well described by these three equilibria.
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    The @B.E. journal of macroeconomics 7.2007, 1, art27 
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    Topics: Economics
    Notes: Common practice in the housing and wealth distribution literature has proceeded as if the modeling of housing rental markets was unnecessary due to renters' relative low levels of wealth and the smaller fraction they represent in the total population. This paper shows, however, that their inclusion matters substantially when dealing with wealth concentration over the life-cycle. Renters are concentrated in the poorer and younger groups and when matching the data on wealth inequality by age groups, the model improves relative to a one asset economy and relative to a housing model with no rental markets.
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    The @B.E. journal of macroeconomics 7.2007, 1, art13 
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    Topics: Economics
    Notes: This paper investigates one causal link between entrepreneurial overconfidence and economic growth in the US. Evidence from the social psychology literature suggests that this biased perception can lead to more successful outcomes for individuals. This paper examines the impacts of entrepreneurial overconfidence on the aggregate economy using an R&D-driven endogenous growth model. From this perspective, overconfidence is equivalent to a subsidy to R&D such that overconfident entrepreneurs are more likely to invest, and this increased R&D intensity is the driving force behind faster economic growth. In terms of social welfare, a small degree of overconfidence moves the market equilibrium level of R&D closer to the social optimum; however, a large degree of overconfidence may move the economy beyond the optimal level. Therefore, the welfare impact is ambiguous.
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    The @B.E. journal of macroeconomics 7.2007, 1, art7 
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    Topics: Economics
    Notes: This paper constructs a simple model that can account for both the negative relationship between growth and income inequality observed in the cross-country data and the positive relationship observed within countries over time. The model employs a dual-economy structure with formal and informal sectors. Growth is driven by formal sector human capital spillovers. Restrictive institutions impose barriers to formality that reduce the growth rate and increase inequality. Redistributive taxation lowers inequality but blunts the incentive to accumulate, lowering growth. Institutional structures vary more across than within countries. Consequently, variations in institutional barriers to formality may account for the negative relationship between growth and inequality found in the cross-country data. Variations in the intensity of redistribution may account for the positive relationship observed within countries over time.
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    The @B.E. journal of macroeconomics 7.2007, 1, art9 
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    Topics: Economics
    Notes: We construct a dynamic general equilibrium model in which household debt is sticky in nominal terms and debtor households are credit constrained. Interest payments on debt contracts may be at floating rates or fixed for the duration of the contract. A key result is that a simple static Taylor Rule can result in a prolonged period in which real interest rates are cut rather than raised in response to an inflationary shock. We show how the proportion of fixed rate contracts affects the monetary transmission mechanism and its implications for the distributional effects of an inflationary shock.
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    The @B.E. journal of macroeconomics 7.2007, 1, art24 
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    Topics: Economics
    Notes: We build a stylised 12-country model of the euro area and use it to analyse how differences in national inflation and growth rates arise within the European Economic and Monetary Union (EMU). We find that the main source of differentials in the early years of the EMU have been aggregate demand shocks, followed by cost-push shocks; euro exchange rate shocks come third. Among the propagation mechanisms a key role is played by inflation persistence; for plausible parameter values even small changes in persistence can produce a dramatic increase in the differentials. Finally, we also find that a tight control of average area-wide inflation around a target tends to reduce the differentials as well.
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    The @B.E. journal of macroeconomics 7.2007, 1, art30 
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    Topics: Economics
    Notes: This paper considers the canonical stochastic growth model with CRRA utility and Cobb-Douglas technology. It obtains a closed-form solution for the case where capital's share is equal to the reciprocal of the intertemporal elasticity of substitution. This provides a useful benchmark that illuminates the transmission mechanism under uncertainty. In particular, it highlights the complicated ways in which risk and nonlinearities interact, via Jensen's inequality, to affect the steady state capital stock.
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    The @B.E. journal of macroeconomics 7.2007, 1, art26 
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    Topics: Economics
    Notes: The classical gold standard has long been associated with long-run price stability. But short-run price variability led critics of the gold standard to propose reforms that look much like modern versions of price-path targeting. This paper uses a dynamic stochastic general equilibrium model to examine price dynamics under alternative policy regimes. In the model, a pure inflation target provides more short-run price stability than does the gold standard and, although it introduces a unit root into the price level, it leads to as much long-term price stability as does the gold standard for horizons shorter than 20 years. Relative to these regimes, Fisher's compensated dollar (or pure price-path targeting) reduces inflation uncertainty by an order of magnitude at all horizons. A Taylor rule, with its relatively large weight on output, leads to large uncertainty about inflation at long horizons. This long-run inflation uncertainty can be largely eliminated by introducing an additional response to the deviation of the price level from a desired path.
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    The @B.E. journal of macroeconomics 7.2007, 1, art19 
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    Topics: Economics
    Notes: The relationship between income and voting is usually studied using current income. Instead, I estimate how permanent income affects voting and to what extent voters are forward looking. A proxy for permanent income is constructed from stated expectations about one's future economic situation. Using panel data from the Norwegian Election Study I estimate the effect of stated expectations on realized future income to compute the effect of expectations. This is then linked to voting behaviour. Contrasting permanent and transitory income, the former has a large impact and the latter has little explanatory power on voting. This supports the hypothesis of forward looking voting. A high expected permanent income increase the propensity to vote Conservative.
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    The @B.E. journal of macroeconomics 7.2007, 1, art22 
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    Topics: Economics
    Notes: This paper extends the savers-spenders theory of Mankiw (2000) to analyze fiscal policy in a small open economy with endogenous labor supply. It is first shown that tax cuts have a short-run contractionary effect on domestic production, and increased public spending has a short-run expansionary effect. Although consistent with recent empirical work, this result contrasts with those of most other theoretical models. Transitory changes in demand have permanent real effects in our model, and we discuss the implications for real exchange rate dynamics. We also show how ``rational" agents may magnify or dampen the responses of ``irrational" agents, and discuss how, unlike in previous contributions, this is in our model purely a result of the shape of rational agents' utility functions.
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    The @B.E. journal of macroeconomics 7.2007, 1, art23 
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    Topics: Economics
    Notes: This paper assesses sign restrictions via a controlled experiment. A researcher estimates a VAR on an infinite amount of data generated by a DSGE model. He or she then imposes sign restrictions on impulse responses to identify a structural shock while being agnostic about the response of a key variable of interest to this shock. Can such an agnostic identification procedure pin down the correct sign of this unconstrained response?The DSGE models of Erceg, Henderson, and Levin (2000), as well as of Smets and Wouters (2003), are used as data generating processes. Two conditions must be met for the method to unambiguously deliver the correct sign of the unconstrained impulse response. First, a sufficiently large number of restrictions must be imposed -- more than what is typically imposed in applied work. Second, the variance of the shock under study must be sufficiently large -- larger than the values provided by Bayesian estimations of the DSGE models. Hence, sign restrictions can be a useful tool to recover structural shocks from VAR residuals.
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    The @B.E. journal of macroeconomics 7.2007, 1, art15 
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    Topics: Economics
    Notes: This paper studies two roles that long-term nominal interest rates can play in the conduct of monetary policy in a New Keynesian model. The first allows long-term rates to enter the reaction function of the monetary authority. The second considers the possibility of using long-term rates as instruments of policy. In both cases a unique rational expectations equilibrium exists. Reacting to movements in long yields does not improve macroeconomic performance as measured by the loss function. Long-term rates, however, turn out to be better instruments of monetary policy than short-term rates when the concern for inflation volatility is high.
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    The @B.E. journal of macroeconomics 7.2007, 1, art18 
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    Topics: Economics
    Notes: Official and four alternative regime classification schemes based on observed exchange rate behaviour are used to examine the relationship with inflation and growth in 91 developing countries over the period 1984-2001. Apart from one scheme that produces markedly unfavourable results for floating (for reasons that are discussed in the paper), the consistent findings are that (a) floats have similar growth rates to soft pegs and only slightly higher inflation; and (b) hard pegs have lower inflation and slower growth than other regimes.
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    The @B.E. journal of macroeconomics 7.2007, 1, art32 
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    Topics: Economics
    Notes: This paper provides a framework for the analysis of firms' integration strategies that incorporates the endogenous determination of the number of firms that serve foreign markets through exports and the number of multinational firms that choose to engage in horizontal foreign direct investments. The aim of the study is to investigate how differences in firms' integration strategies affect the way productivity and monetary policy shocks spread their effects worldwide. Building on a general equilibrium model in the tradition of the new open economy macroeconomics with national and multinational enterprises, I find that firms' integration strategies play a key role in the international business cycle and they help explain a number of puzzling features in exchange rate data. The paper makes two main contributions. First, it provides an explanation of long-term deviations from purchasing power parity due to changes in the extensive margin of firms serving world markets via exporting and foreign investment that is novel in the literature. Second, it explores optimal monetary policy in a framework with endogenous trade and foreign investments, elucidating an interesting new trade-off between efficiency and volatility. My results show that monetary stabilization, by discouraging entry of new firms, might involve a policy trade-off between the desire to smooth fluctuations in producers' prices and the need to facilitate adjustments in consumers' prices.
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    The @B.E. journal of macroeconomics 7.2007, 1, art12 
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    Topics: Economics
    Notes: This paper examines the performances of the past five Federal Reserve chairmen using optimal control techniques and a macroeconometric model. Each chairman is evaluated in two ways. The first way is comparing the actual performance of the economy under his term relative to what the performance would have been had he behaved optimally. Comparing chairmen only on the basis of the actual performance of the economy is not appropriate because it does not control for different exogenous-variable values and shocks that the Fed has no control over. This comparison is done for a wide range of loss functions. It does not assume that the chairman necessarily behaved by minimizing a loss function; it just compares his actual behavior to what he could have done had he minimized a particular loss function. The second way, on the other hand, assumes that each chairman minimized a loss function, and it chooses for each chairman which of the various loss functions tried comes closest to matching the actual values of the control variable to the optimal values. A summary evaluation of each chairman is presented in Section 6.
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    The @B.E. journal of macroeconomics 7.2007, 1, art16 
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    Topics: Economics
    Notes: Development accounting exercises based on an aggregate production function find technology is biased in favor of a country's abundant production factors. We provide an explanation for this finding based on the Heckscher-Ohlin model. Countries trade and specialize in the industries that use intensively the production factors they are abundantly endowed with. For given factor endowment ratios, this implies smaller international differences in factor price ratios than under autarky. Thus, when measuring the factor bias of technology with the same aggregate production function for all countries, they appear to have an abundant-factor bias in their technologies.
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    The @B.E. journal of macroeconomics 7.2007, 1, art33 
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    Topics: Economics
    Notes: Total factor productivity (TFP) falls markedly during financial crises, as we document with recent evidence from Latin America and Asia. We study the ability of various versions of the small open economy neoclassical growth model to account for the behavior of inputs, output, and aggregate productivity during Mexico's 1994-95 crisis. We find that that capital utilization and labor hoarding can account for a large fraction of the fall in measured productivity. While capital utilization alone does little to improve the performance of the model during the crisis, introducing labor hoarding significantly reduces the gap between the evidence and the predicted fall in output and hours.
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    The @B.E. journal of macroeconomics 7.2007, 1, art35 
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    Topics: Economics
    Notes: Changes in firms' investment expenditures are considered one of the primary channels through which energy price shocks are transmitted to the economy. It is widely believed that the response of business fixed investment to energy price increases differs from its response to energy price decreases. We show that the apparent symmetry in the estimated responses of business fixed investment in equipment and structures cannot be reconciled with standard theoretical explanations of asymmetric responses. Rather this evidence is an artifact (1) of the aggregation of mining-related expenditures by the oil, natural gas, and coal mining industry and all other expenditures, and (2) of ignoring an exogenous shift in investment caused by the 1986 Tax Reform Act. After controlling for these factors, formal statistical tests are unable to reject the hypothesis of symmetric responses to energy price shocks for all components of investment in structures. For nonresidential equipment there is weak statistical evidence of classical asymmetries in some components, but not in the aggregate. Once symmetry is imposed and mining-related expenditures are excluded, the estimated response of business fixed investment in equipment and structures tends to be small and statistically insignificant. Historical decompositions show that energy price shocks have played a minor role in driving fluctuations in nonresidential fixed investment other than investment in mining.
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    Review of law and economics 3.2007, 2, art12 
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    Topics: Law , Economics
    Notes: We offer a model that sheds light on the debate over whether corporate ownership concentration converges to the Berle-Means image. Our model takes into account the importance of both legal rules and firm-specific arrangements. Our analytical result is that share ownership concentration either persists or falls depending on the relative importance of these protective arrangements. In particular, our model predicts: (a) diffuse corporate ownership in nations that impose legal limits on blockholders' clout to expropriate minority shareholder rights, and (b) concentrated corporate ownership in nations that rely on asset specificity as a form of investor protection. Our empirical work suggests partial convergence toward Berle-Means diffuse share ownership. It is thereby reasonable to infer the existence of path dependent forces on ownership concentration. But this result does not preclude the possibility of functional convergence or convergence to the diffuse form of share ownership via cross-listings on the major U.S. stock exchanges that impose stringent disclosure and listing requirements. In essence, these results suggest a case for the co-existence of the preexisting path-dependency and functional-convergence stories.
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    Review of law and economics 3.2007, 2, art5 
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    Topics: Law , Economics
    Notes: This study empirically investigates whether racial and ethnic differences in police searches of stopped drivers reflect efficient enforcement or biased policing. Null hypotheses consistent with efficient enforcement are derived from alternative assumptions regarding police objectives: 1) police seek to maximize public safety, and 2) police seek to maximize the hit rate. We use both an outcomes-based non-parametric analysis and a standard benchmarking parametric approach (regression analysis). Both approaches yield the same results: law enforcement officers display both personal and police cultural bias in their propensity to search African American and Latino drivers. African American and Latino status tends to lower the guilt signal required for police suspicion. Further, white officers police differently than their African American and Latino colleagues. White officers are 73 percent of the sworn police force, conduct 88 percent of the searches, and have a hit rate of 20 percent. Latino officers are 11 percent of the sworn labor force, conduct 8 percent of the searches, and have a hit rate of 24 percent. African American officers are 15 percent of the sworn labor force, conduct 4 percent of the searches, and have a hit rate of 26 percent. The preferential treatment of white drivers by police is attenuated with increases in the fraction of racial and ethnic minority residents in the county where the stop occurred.
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    Review of law and economics 3.2007, 2, art3 
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    Notes: In this paper we assert that, if an offender can dispose of some or all of his wealth after violating the law, raising the fine up to his wealth level will induce him to dispose of his wealth, thereby increasing social cost without deterring more offenses. This suggests that the socially optimal fine should be set below the offender's maximum wealth level.
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    Review of law and economics 3.2007, 1, art6 
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    Notes: This paper investigates the evolution of competition policy decisions in the US and, particularly, in the EU, concerning mandatory access to an essential facility held by a dominant firm. Based on some recent and controversial EU antitrust decisions, we outline a comprehensive test for identifying an essential facility and consequently imposing a mandatory access obligation on dominant firms.
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    Review of law and economics 3.2007, 1, art3 
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    Notes: The popularity of the International Court of Justice (ICJ) is the subject of much controversy. This paper examines usage of the ICJ by all United Nations (UN) member states as compared with its usage by those states with the top-ten economies of the world. Five hypotheses explaining the decrease in ICJ usage by the top-ten economies are presented as follows: (1) a home-bias of judges, (2) the diversification of international tribunals, (3) changes in the composition of the cases filed, (4) the (re-)allocation of power, and (5) an increased heterogeneity of external institutions among UN member states. We find empirical evidence that an increase in UN membership has led to increased heterogeneity, which in turn has led to a decline in usage of the ICJ by the top-ten economies.
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    Review of law and economics 3.2007, 1, art5 
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    Notes: The corporate lawyer-client privilege is increasingly controversial. Courts assert that the privilege promotes corporate compliance with the law as long as it is restricted to communications in furtherance of legal advice. This article assumes the privilege increases the probability that a corporation will escape liability. Courts can apply various tests to determine whether the agent who communicated with the corporate attorney can be defined as a representative of the corporation. The most restrictive test, the "control group" test, has been rejected by most American jurisdictions, but it has recently re-emerged in the United Kingdom. The author proposes that this test motivates corporations to restructure their optimal internal decision-making processes in order to "squeeze" into the privilege. When plaintiffs are uninformed about the internal organization of a corporate defendant, even corporations that cannot squeeze into the test have an incentive to mimic the behavior of privileged corporations, and consequently pursue socially harmful actions. These findings are supported by case law from control group jurisdictions.
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    Review of law and economics 3.2007, 2, art7 
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    Notes: In a comprehensive study extending prior research, Prince and Rubin (2002) use the event study methodology, and find negative market reaction to a sample of 15 initial filings of product liability litigation and 29 other litigation events against U.S. automakers between 1973 and 1995. They conclude that the event study methodology is a useful way to measure the costs of litigation. In contrast, after examination of a new sample of 144 initial filing events and 465 other litigation events for six major automobile firms from 1985 to 2000, and after re-examining Prince and Rubin's data, we find that the market reaction to all but the most extreme and infrequent events is generally not significant. We suggest that the event study methodology may not generally be useful to study the social costs of litigation, but may be useful for unexpected abnormal litigation events where the potential liabilities (including reputation and other losses triggered by litigation) may far exceed the legal liability reserves set up by firms. We find mixed results for the market impact of litigation against a competitor. When a product liability lawsuit is first filed against a U.S. firm, the market values of the Japanese firms significantly decline. When a Japanese firm is sued for product liability, the U.S. firms register a significant increase in market value. However, these spillover results have to be interpreted with caution because of small sample sizes and possible confounding events.
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    Review of law and economics 3.2007, 1, art7 
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    Notes: This paper provides a coherent framework for classifying cases with multiple tortfeasors in relation to the efficient allocation of liability across the tortfeasors. We construct a simple model in which various tortfeasors contribute to a loss, and consider efficient liability rules under various assumptions.
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    Review of law and economics 3.2007, 2, art2 
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    Notes: We attempt to revise the inspection game used by George Tsebelis to model phenomena in criminal justice. The refinement has been conducted by disaggregating the game payoffs and then using findings from empirical studies to reconstruct the game. In contrast to Tsebelis' propositions, we find that the severity of punishment may affect the offending behavior of individuals. The result also holds for the case in which the authority initiates crime prevention programs, by providing incentives to those who do not have a criminal history. The impact of increasing the severity of punishment on reducing individuals' offending behavior is less certain than that of instigating crime prevention programs. This result holds so long as the authority does not alter the levels of enforcement.
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    Review of law and economics 3.2007, 2, art1 
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    Notes: Miller v. Schoene approved the uncompensated destruction of cedar trees that were alternate hosts to a fungus that damaged apples but not cedars. Supreme Court Justice Harlan F. Stone's opinion noted that deciding for either cedar or apple growers would amount to action by the state. Scholars have claimed that Miller marked the demise of the public/private distinction in constitutional law. This article presents historical evidence to the contrary. A widely-accepted standard--higher commercial value--commonly decided whose interests should prevail in such controversies. The analysis also shows that moral hazard explains why cedar owners were denied just compensation, which orchardists had originally been willing to tax themselves to pay. Cedar owners whose land actually gained in value when their trees were cut down nonetheless availed themselves of damages.
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    Review of law and economics 3.2007, 2, art13 
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    Notes: This paper shows that unilateral-harm contexts with role-type uncertainty can create incentives similar to bilateral-harm contexts. For this purpose, we show that the result of Dharmapala and Hoffmann (2005), namely that standard liability rules do not lead to efficient care choices by injurer and victim if precaution costs are interdependent and harm is unilateral whereas they can in the case of bilateral harm, depends on role-type certainty.
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    Review of law and economics 3.2007, 2, art8 
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    Topics: Law , Economics
    Notes: In some recent works, negligence-based liability has been severely criticized. It has been argued that negligence-based liability does not form a convincing basis for liability assignment. Causation-based liability has been proposed as an alternative basis of liability determination. Parisi and Fon (2004) have studied the efficiency properties of the causal apportionment of liability. The authors have shown that when care levels as well as activity levels of the parties affect the causation of an accident, causation based liability does not provide efficient incentives for the parties. In this paper, we assume the activity levels to be constant. Under this assumption, we have demonstrated the existence of liability rules that are efficient and at the same time `consistent' with the requirement of causation liability. In addition, it is shown that under these rules the equilibrium outcome is unique. The analysis has been undertaken in a very general framework.
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    Review of law and economics 3.2007, 2, art9 
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    Notes: Harsh sanctions are conventionally assumed to primarily benefit vulnerable targets. Contrary to this perception, this article shows that augmented sanctions often serve the less vulnerable targets. While decreasing crime, harsher sanctions also induce the police to shift enforcement efforts from more to less vulnerable victims. When this shift is substantial, augmented sanctions exacerbate--rather than reduce--the risk to vulnerable victims. Based on this insight, this article suggests several normative implications concerning the efficacy of enhanced sanctions, the importance of victims' funds, and the connection between police operations and apprehension rates.
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    Review of law and economics 3.2007, 2, art15 
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    Notes: This article develops a model in which firms may commit to disclose varying amounts of two types of information, accuracy information and agency information, and in which a regulator may also mandate disclosures. The resulting analysis provides a way to better understand the relationship between disclosure regulation and social welfare, including issues such as: how disclosure regulation can generate social welfare gains (contra Dye, 1990; Admati & Pfleiderer, 2000), why imposing disclosure requirements on only certain firms and certain information may be efficient, and why stricter mandatory disclosure requirements may be an efficient regulatory response to more robust public securities markets (contra La Porta, Lopez de Silanes, & Shleifer, 2006).
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    Review of law and economics 3.2007, 2, art11 
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    Topics: Law , Economics
    Notes: What explains the popularity of law and economics (L&E) in some academic communities and the scarcity of such scholarship in others? Many explanations have been given for the centrality of economic analysis in American legal thought and its marginality in Europe. This article examines what drives scholars to select L&E as a topic for research. It does so by implementing the methodology of many papers in the field - by assuming that regulation and incentives matter. Legal scholars face very different academic incentives in different parts of the world. In some countries, the academic standards for appointment, promotion and tenure encourage legal scholars to concentrate on L&E. In others, they strongly discourage such research. Thus, we should expect wide variation in the participation rate of legal scholars in the L&E discourse across countries. On the other hand, economists are evaluated with similar yardsticks everywhere, and thus their participation rate is likely to vary much less. The hypothesis of this paper is that academic incentives are a major factor in the level of participation in L&E scholarship. This "incentives hypothesis" is presented and then examined empirically with data gathered from the list of authors in L&E journals and the list of participants in L&E conferences. The data generally support the hypothesis. In legal academia, the incentives to focus research on L&E topics are the strongest in Israel, weaker in North America, and weakest in Europe. In fact, the data reveal that lawyers' authorship of L&E papers weighted by population is about ten times higher in Israel than in North America; while in Europe it is almost five times lower than in North America. By comparison, the weighted participation level of economists - who face relatively similar academic environments across countries - in L&E research is not significantly different across countries.
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    Review of law and economics 3.2007, 1, art2 
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    Topics: Law , Economics
    Notes: The text of a Laudatio delivered on September 16, 2006 by Professor Francesco Parisi on the occasion of the awarding of an honorary membership in the European Association of Law and Economics (EALE) to Professor Pietro Trimarchi. This was the first such honorary membership awarded by this association.
    Type of Medium: Electronic Resource
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