Micro-Foundations of External Economies

  • Markusen J
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Abstract

JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact support@jstor.org. Abstract. The first purpose of this paper is to specify certain micro-economic determinants of 'external' economies and then analyse the consequences of these economies for production and welfare in a simple general-equilibrium model. The second purpose is to explore the circumstances under which the implied industry production functions are consistent with the ad hoc specifications used in trade theory and growth theory. The motivation for the latter exercise is that, despite progress in general-equilibrium analysis of internal economies, these industry production functions allow us to capture the very powerful analytical advantages of competitive general-equilibrium and duality theory. Les fondements micro-economiques des economies externes. Le premier objectif de ce m6moire est de pr6ciser certains determinants micro-6conomiques des 6conomies extemes et d'analyser ensuite l'impact de ces economies sur les niveau de production et de bien-etre dans un modele d'6quilibre gen6ral simple. Le second objectif est d'examiner dans quels cas les fonctions de production impliqu6es au niveau industriel sont compatibles avec les sp6cifications ad hoc utilis6es dans les travaux en theorie de la croissance ou en theorie du commerce international. La raison pour laquelle ce demier exercice est important tient au fait que, malgr6 les progres accomplis dans l'analyse des economies internes par les modeles d'equilibre general, ces fonctions de production au plan industriel permettent de combiner les puissants avantages analytiques de l'analyse de l'equilibre g6neral concurrentiel et de la th6orie de la dualit6.

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Markusen, J. R. (1990). Micro-Foundations of External Economies. The Canadian Journal of Economics, 23(3), 495. https://doi.org/10.2307/135644

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