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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Papers in regional science 60 (1986), S. 0 
    ISSN: 1435-5957
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geography , Economics
    Notes: This paper considers the determination of employment in four Scottish industries. The specifications considered are classified as either Keynesian or neoclassical in nature by reference to the relevant economic theory. The statistical assessment of an estimated equation involves the calculation of a number of diagnostic test statistics which assess, amongst other things, the accuracy of the forecasts produced by the equation. To distinguish between alternative estimated equations we employ non-nested (or separate) test procedures. The results obtained suggest Keynesian type specifications are superior for three of the four industries considered.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of regional science 29 (1989), S. 0 
    ISSN: 1467-9787
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geography , Economics
    Notes: Regional economic models typically either ignore prices altogether or simply treat them as exogenously determined. An unfortunate consequence of the neglect of prices is that model builders have been very much limited in the range of macroeconomic perspectives they have been able to bring to bear on regional economic issues. In this paper, we first explain how prices can be modeled endogenously at a regional level despite the paucity of data on regional prices. Using an illustrative interregional computable general equilibrium model for Malaysia, we then demonstrate how alternative macroeconomic visions of regional systems may be captured.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of regional science 27 (1987), S. 0 
    ISSN: 1467-9787
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geography , Economics
    Notes: This paper develops a model of regional financial markets which can encompass different degrees of spatial financial integration. The behavior of the system is analyzed under alternative assumptions about the time frame of analysis and the extent of the flexibility of interest rates. It is argued that links may exist between regional real and financial sectors even in the short run and that such links must, through the regional balance of payments, exist in the long run, even where there is perfect financial spatial integration. It is observed that these relationships have generally been ignored by regional economic model builders.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Boston, USA and Oxford, UK : Blackwell Publishers Inc
    Journal of regional science 40 (2000), S. 0 
    ISSN: 1467-9787
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geography , Economics
    Notes: In this paper we derive an analytical expression for the regional neoclassical economic base marginal employment multiplier. The model that we adopt is a variant of the 1-2-3 general equilibrium model used in trade analysis. Its specific neoclassical characteristics are that laborsupply is a positive function of the real consumption wage and that factor and product demands are price sensitive. We calculate the employment multipliers associated with both a demand and supply stimulus to the basic sector. We demonstrate that it is possible for the marginal economic base multiplier to take any positive or negative value. However, the value of the marginalmultiplier is likely to approximate the value of the conventional average multiplier the closer production and utility functions are to Cobb-Douglas specifications and the more elastic is the labor supply function.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of regional science 33 (1993), S. 0 
    ISSN: 1467-9787
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geography , Economics
    Notes: . In this paper we consider the nature of possible equilibria in a regional economic system characterised by an absence of net migration flows but the presence of gross flows. We argue that the presence of gross flows in a stationary equilibrium is most easily generated through the introduction of stochastic elements into the decision maker's migration calculus. We observe that within such a stochastic setting there is, in stationary equilibrium, an implied inverse relationship between the probability of migration for the representative decision maker and the size of the regional population stock. We show that this relationship has some surprising implications in a world where decision makers have static expectations, but that its implications are quite natural in a world where decision makers form their expectations rationally. We then interpret the model of Schachter andathaus (1989) in terms of a rational expectations equilibrium, and demonstrate how their tests are incapable of discriminating between equilibrium and disequilibrium models of migration behavior. We propose a set of alternative tests which explicitly recognize the stuck-flow interactions between net migration and the distribution of regional population stocks and which make a clean distinction between equilibrium in the temporal and in the market-clearing sense.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of regional science 36 (1996), S. 0 
    ISSN: 1467-9787
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geography , Economics
    Notes: . Regional input-output (I-O) analysis is traditionally motivated by a short-run, extreme Keynesian vision of markets. In this paper we argue that an appropriately formulated, investment-endogenous, I-O system replicates the long-run equilibria of a wide range of regional models, many of which do not operate as I-O systems in the short run. In particular, we use a computable general equilibrium (CGE) framework to illustrate the impact of an aggregate demand disturbance on an I-O and standard neoclassical model. When run forward over a number of periods, the results from the capacity-constrained neoclassical model asymptotically approach the I-O outcome. We use sensitivity analysis to examine the speed of adjustment of the neo-classical system and investigate barriers to the attainment of the I-O result.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Entomologia experimentalis et applicata 73 (1994), S. 31-37 
    ISSN: 1570-7458
    Keywords: micro electrode ; pH ; antimony silver/silver chloride ; redox ; gut contents
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract An electrode system consisting of a cast antimony rod with a silver chloride-coated wire as a reference electrode has been developed to measure pH in insect gut contents. The electrode works well with buffer volumes down to 0.1 μl. Response to pH is linear between pH 4 and 11 and equates to a change of 52.3 mV per pH unit at 18–20°C. Electrical resistance is low (0.25 MΩ), so the electrode can be used with low-impedance meters and does not require shielding from induced currents. Its useful range lies between redox potentials −330 mV (pH 7) and +297 mV to 350 mV, corresponding to a pe + pH range of 1.4 to about 10.8. This covers reported gut pH values for most insects so far examined. Consequently the electrode is suitable for measuring pH of gut contents from many insects that are too small to be analysed with current commercial electrodes.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1573-9368
    Keywords: chymotrypsin inhibitor ; transgenic tobacco ; insect pest resistance ; potato proteinase inhibitor II
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A member of the potato proteinase inhibitor II (PPI II) gene family that encodes for a chymotrypsin iso-inhibitor has been introduced into tobacco (Nicotiana tabacum) usingAgrobacterium tumefaciens-mediated T-DNA transfer. Analysis of the primary transgenic plants (designated R0) confirmed that the introduced gene is being expressed and the inhibitor accumulates as an intact and fully functional protein. For insect feeding trials, progeny from the self-fertilization of R0 plants (designated R1) were used. Leaf tissue, either from transgenic or from control (non-transgenic) plants, was fed to larvae ofChrysodeixis eriosoma (Lepidoptera: Noctuidae, green looper),Spodoptera litura (F.) (Lepidoptera: Noctuidae) andThysanoplusia orichalcea (F.) (Lepidoptera: Noctuidae) and insect weight gain (increase in fresh weight) measured. Consistently,C. eriosoma larvae fed leaf tissue from transgenic plants expressing thePPI II gene grew slower than insects fed leaf tissue from non-transgenic plants or transgenic plants with no detectablePPI II protein accumulation. However, larvae of bothS. litura andT. orichalcea consistently demonstrated similar or faster growth when fed leaf tissue from transgenic plants compared with those fed non-transgenic plants. In agreement with the feeding trials, the chymotrypsin iso-inhibitor extracted from transgenic tobacco effectively retarded chymotrypsin-like activity measured inC. eriosoma digestive tract extracts, but not in extracts fromS. litura. We conclude, therefore, that for certain insects the use of chymotrypsin inhibitors should now be evaluated as an effective strategy to provide field resistance against insect pests in transgenic plants, but further, that a single proteinase inhibitor gene may not be universally effective against a range of insect pests. The significance of these observations is discussed with respect to the inclusion of chymotrypsin inhibitors in the composite of insect pest resistance factors that have been proposed for introduction into crop plants.
    Type of Medium: Electronic Resource
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  • 9
    Publication Date: 2011-08-01
    Print ISSN: 0960-1481
    Electronic ISSN: 1879-0682
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Published by Elsevier
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  • 10
    Publication Date: 2006-02-01
    Print ISSN: 0960-1481
    Electronic ISSN: 1879-0682
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Published by Elsevier
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