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  • 1
    Electronic Resource
    Electronic Resource
    THE RANDOM-WALK HYPOTHESIS OF STOCK MARKET BEHAVIOR (1964)
    Oxford, UK : Blackwell Publishing Ltd
    Kyklos 17 (1964), S. 0 
    Details
    ISSN: 1467-6435
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Sociology , Economics
    Notes: A model of the form xt - xt-1= etwhere xt is the price of a share at time t and et forms a sequence of independent random variates is postulated as a model of the price determining mechanism of stock markets.The form of the distribution function of the et's is investigated. In opposition to suggestions that have been made in connection with other speculative price mechanisms it is found that the distribution function appears to be well approximated by a normal distribution. There is no evidence that the data treated are samples from a stable process with an infinite variance.It is found that the model mentioned above, termed the random-walk model, provides a good explanation of the variation of stock market prices for daily observations of the price, and for the series formed by the price of every transaction taking place in the market. In the context of this model it is noted that it appears that the price determining mechanism continues to operate at a reduced ‘speed’ during times when the actual market is closed.While it has been suggested that a correlation between the volume of shares transacted and the absolute value of the first differences of the price series should be expected, no such correlation was observed.Two questions which the paper leaves open are the question of cross-sectional correlation between different shares, and the question of the possibility of information in moments of order greater than two.In conclusion the following law is stated: ‘The price determining mechanism described in Section II (i. e. the random-walk indicated above) is the only mechanism which is consistent with the unrestrained pursuit of the profit motive by the participants in the market’.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-6435.1964.tb02458.x
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  • 2
    Electronic Resource
    Electronic Resource
    MULTINATIONAL CORPORATIONS AND BALANCE OF PAYMENTS IMPACTS IN LDCs: AN ECONOMETRIC ANALYSIS OF EXPORT PRICING BEHAVIOR (1974)
    Oxford, UK : Blackwell Publishing Ltd
    Kyklos 27 (1974), S. 0 
    Details
    ISSN: 1467-6435
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Sociology , Economics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-6435.1974.tb01908.x
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  • 3
    Electronic Resource
    Electronic Resource
    DESCRIPTIVE, PREDICTIVE AND NORMATIVE THEORY (1972)
    Oxford, UK : Blackwell Publishing Ltd
    Kyklos 25 (1972), S. 0 
    Details
    ISSN: 1467-6435
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Sociology , Economics
    Notes: The higher degree of description is reached when a field becomes amenable to the use of the axiomatic method. In economics this state has been reached only recently in the establishment of a numerical utility. In general, it is difficult to know what to describe and how to measure; both require precise concepts. Current economic descriptions lack both very often, in particular the whole area of psychological factors, decisions, etc., escape the essentially physical descriptions of economic phenomena.Good predictions are the ultimate test of theory but also false theories often have a surprising power to predict. Thus, this matter is much more complicated than normally assumed.Even descriptive theories can be interpreted as ‘normative’ provided they are convincing to the user. The implied norm is often a prohibition, as for example, in the statement that one should not try to build a perpetuum mobile. If a state of society is commonly accepted which sanctions private property, then the norm follows that one ought not to steal. This is different from normative value statements that derive solely from other norms.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-6435.1972.tb01077.x
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  • 4
    Electronic Resource
    Electronic Resource
    ECONOMICS AND THE THEORY OF GAMES1 (1949)
    Oxford, UK : Blackwell Publishing Ltd
    Kyklos 3 (1949), S. 0 
    Details
    ISSN: 1467-6435
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Sociology , Economics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-6435.1949.tb00477.x
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  • 5
    Electronic Resource
    Electronic Resource
    PRIVATE AND PUBLIC CONSUMPTION AND SAVINGS IN THE VON NEUMANN MODEL OF AN EXPANDING ECONOMY (1967)
    Oxford, UK : Blackwell Publishing Ltd
    Kyklos 20 (1967), S. 0 
    Details
    ISSN: 1467-6435
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Sociology , Economics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-6435.1967.tb00855.x
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  • 6
    Electronic Resource
    Electronic Resource
    SPECTRAL ANALYSIS OF NEW YORK STOCK MARKET PRICES (1963)
    Oxford, UK : Blackwell Publishing Ltd
    Kyklos 16 (1963), S. 0 
    Details
    ISSN: 1467-6435
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Sociology , Economics
    Notes: New York stock price series are analyzed by a new statistical technique. It is found that short-run movements of the series obey the simple random walk hypothesis proposed by earlier writers, but that the long-run components are of greater importance than suggested by this hypothesis. The seasonal variation and the ‘businesscycle’ components are shown to be of little or no importance and a surprisingly small connection was found between the amount of stocks sold and the stock price series.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-6435.1963.tb00270.x
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  • 7
    Electronic Resource
    Electronic Resource
    Cloning of a DNA fragment involved in pigment production in Streptomyces avermitilis (1992)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 91 (1992), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract Streptomyces avermitilis has the ability to synthesize a diffusible, brown, melanin-like pigment, a common property among many Streptomyces species. A region of the S. avermitilis chromosome involved in the production of this pigment was cloned in Escherichia coli. Production of the brown pigment was attained in E. coli, and is optimal when medium is supplemented with copper ions, tyrosine and IPTG. The cloned S. avermitilis pigment-producing DNA fragment is under the control of the lac promoter carried in the E. coli vector. The gene involved in pigment production could be used as a tool to analyse gene expression in S. avermitilis, and as an alternative cloning marker in Streptomyces-Escherichia coli vectors.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1992.tb05176.x
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  • 8
    Electronic Resource
    Electronic Resource
    UNTERSCHEIDUNG VON UNKRAUTKEIMPFLANZEN DURCH VORHERIGE MARKIERUNG DER SAMEN MIT SCHWEFEL-35 (1961)
    Oxford, UK : Blackwell Publishing Ltd
    Weed research 1 (1961), S. 0 
    Details
    ISSN: 1365-3180
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Zusammenfassung. Samen von Sinapis arvensis (Ackerscnf) und Avena fatua (Fiughafer) wurden indirekt liber die Wurzeln in Wasserkultur aufwachsender Pflanzen mil S-35 markiert. Die spezilische Aktivität der Nährlösung betrug für Sinapis 0,75 μ C.cm−3 und für Avena 1,0 μ C.cm−3. Die Sinapis-Samen besassen bei der Ernte (0,88 Halbwertzeiten nach der Markierung) einc Aktivitat von 0,11 μC pro Einzelsame und 59,4 μC pro Gramm Samen. Die entsprechenden Werte für Avena waren nach 0,91 HWZ 0,24 μC und 21,2 μC. Die aus den markierten Samen aufwachsenden Keimpflanzen konnten ohne vorherige Präparation unter einem dünuwandigen Endfensterzählrohr von nicht markierten Keimpflanzen eindeutig unterschieden werden. Dabei betrug die Aktivität der Keimblätter von Sinapis nach einer HWZ ca. 1000 Imp./min., diejenige von Avena noch nach mehr als 4 HWZ 60-80 Imp./min. Em sicherer Nachweis (doppelter Nulleffekt) von S-35 in den unpräparierlen Keimblättern ist bei Sinapis für einen Zeitraum von 5 HWZ, für Avena von 4 HWZ nach der Markierung möglich. Die beschriebene Markierungs-methode eignet sich daher auch für Samen mit längerer Keimruhe, wie am Beispiel von A. fatua gezeigt werden konnte. Um die Brauchbarkeit der markierungsmethode auch unter Feldbedingungen prüfen zu können, wurden im Herbst 1960 auf 4 Parzellen von je 2 m2 Grösse eincs abgeernteten Gerstenfeldes jeweils 2000 markierte Samcn von Sinapis arvensis, die kurz vorher im Gewächshaus zur Reife gelangt waren, eingesät. Die einzelnen Parzellen wurden anschliessend einer verschiedenen Bodenbearbeitung unlerworfen und danach die aufgehenden markierten Keimpflanzen zu verschiedenen Zeitpunkten ausgezählt. Dabei ergaben sich folgende Keimprozente: Unbearbeitete Parzelle: 11,8%; Schälpflug: 4,7%; schwere Egge: 48,7%; Scheibenegge: 31,1%. Auch bei diesen Versuchen war es mit Sicherheit möglich, eine Unterscheidung der aus unmarkierten und markierten Samen aufwachsenden Keimpflanzen vorzunehmen.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3180.1961.tb00020.x
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  • 9
    Electronic Resource
    Electronic Resource
    DETERMINATION OF THE HALF LIFE OF METAHEXAMIDE IN NORMAL HUMANS (1959)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 82 (1959), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1959.tb44929.x
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