An index formula for production economies with externalities

We prove that the degree of the equilibrium correspondence of an economy with increasing returns and external effects is equal to (−1)L−1 where L is the dimension of the space of goods. This allows us to infer existence, finiteness and uniqueness results.

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Year of publication:	2008-07-22
Authors:	Mandel, Antoine
Institutions:	HAL
Subject:	General equilibrium theory \| Existence of equilibrium \| Increasing returns \| Externalities \| Degree theory

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Extent:	application/pdf
Series:	Post-Print.
Type of publication:	Book / Working Paper
Notes:	View the original document on HAL open archive server: http://halshs.archives-ouvertes.fr/halshs-00634648 Published, Journal of Mathematical Economics, 2008, 44, 1385-1397
Source:	RePEc - Research Papers in Economics

Persistent link: https://www.econbiz.de/10010635144