Direct perturbations of aggregate excess demand

We complement the Sonnenschein-Mantel-Debreu results by establishing that an exchange economy, i.e., preferences and endowments, that generates a given aggregate excess demand (AED) function is close to the economy that generates a perturbation of this AED. As a consequence, genericity and determinacy results obtained by direct perturbation of an AED are as strong as results obtained by perturbing preferences and endowments.

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Year of publication:	2010
Authors:	Castro, Sofia B.S.D. ; Dakhlia, Sami ; Gothen, Peter B.
Published in:	Journal of Mathematical Economics. - Elsevier, ISSN 0304-4068. - Vol. 46.2010, 4, p. 562-571
Publisher:	Elsevier
Keywords:	Arrow-Debreu Aggregate excess demand Genericity Determinacy Transversality General equilibrium Sonnenschein-Mantel-Debreu

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Type of publication:	Article
Source:	RePEc - Research Papers in Economics

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