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The aggregate Le Chatelier Samuelson principle with Cournot competition
Koebel, Bertrand M.; Laisney, François - 2010
This paper studies the aggregate substitution and expansion effects triggered by changes in input prices, in a context where firms supply a homogenous commodity and compete in quantities à la Cournot. We derive a sufficient condition for the existence of a Cournot equilibrium and show that this...
Persistent link: https://www.econbiz.de/10010299963
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The Elasticities of Complementarity and Substitution
Broer, Peter - 2004
This paper argues that the conventional definition of the elasticity of complementarity is not well suited to deal with the case of increasing returns. It proposes a slightly different formula, that uses a distance function formulation instead of a production function. The proposed definition...
Persistent link: https://www.econbiz.de/10010325495
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Using firm optimization to evaluate and estimate returns to scale
Gorodnichenko, Yuriy - 2008
At the firm level, revenue and costs are well measured but prices and quantities are not. This paper shows that because of these data limitations estimates of returns to scale at the firm level are for the revenue function, not production function. Given this observation, the paper argues that,...
Persistent link: https://www.econbiz.de/10010268849
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Returns-to-scale properties in DEA models: The fundmantal role of interior points
Krivonozhko, Vladimir; Førsund, Finn R. - 2009
Attempts can be found in the DEA literature to identify returns to scale at efficient interior points of the production possibility set on the basis of returns to scale at points of the corresponding reference sets. However, an opposite approach is put forward in this paper, advocating that...
Persistent link: https://www.econbiz.de/10010285619
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The mirror for (artificial) intelligence: Working in whose reflection?
Moore, Phoebe V. - 2019
The mirror for (artificial) intelligence: In whose reflection?' sets out the parameters for caution in considering as-yet relatively un-debated issues in artificial intelligence (AI) research, which is the concept itself of 'intelligence'. After the AI 'winters' ending in the late 1990s, during...
Persistent link: https://www.econbiz.de/10012155357
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Agriculture, Pesticides and the Ecosystem
Pethig, Rüdiger - 2001
Economists have a good understanding of intra-economic interdependence and a mature methodology of modeling it. Ecologists focus on the complex and sensitive interactions of species in ecosystems. This paper's objective is to suggest a new micro-foundation of ecosystem analysis based on economic...
Persistent link: https://www.econbiz.de/10010322056
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Pesticide Risk Valuation in Empirical Economics
Nijkamp, Peter; Travisi, Chiara Maria; Vindigni, Gabriella - 2002
Pesticide use in agriculture poses several risks to both human health and non-target agro-ecosystems. Due to lack of … information on the monetary value of reducing pesticide risks, it is difficult to perform an economic analysis that addresses … to present a critical overview of the empirical literature on pesticide risk valuation that provides disaggregate …
Persistent link: https://www.econbiz.de/10010324737
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Optimal pest control in agriculture
Christiaans, Thomas; Eichner, Thomas; Pethig, Rüdiger - 2005
seed. If she maximizes her present-value profits, optimal farming is shown to depend on the prices of pesticide or to apply … state mice populations only, it may be optimal to eradicate mice or to use no or a moderate amount of pesticide depending on …
Persistent link: https://www.econbiz.de/10010271494
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Optimal pest control in agriculture
Christiaans, Thomas; Eichner, Thomas; Pethig, Rüdiger - 2005
farming is shown to depend on the prices of pesticide and grain. It is either optimal to use no pesticide or a moderate amount … of pesticide or to apply a chattering control. Pest eradication is never optimal. On the other hand, if the farmer takes … pesticide depending on prices as well as on the shape of the grain production function which is determined by micro parameters …
Persistent link: https://www.econbiz.de/10010261306
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Labor Unions and the Scale and Scope of Multi-Product Firms
Egger, Hartmut; Koch, Michael - 2011
This paper sets up a general oligopolistic equilibrium model with multi-product firms and union wage setting in a subset of industries. By claiming a wage premium, labor unions enforce a decline in firm scale and scope and thus dampen industrial output, with negative feedback effects on the...
Persistent link: https://www.econbiz.de/10010294738