Direct perturbations of aggregate excess demand |
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| Authors: | Sofia B.S.D. Castro Sami Dakhlia Peter B. Gothen |
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| Affiliation: | 1. CMUP and Faculdade de Economia do Porto, Universidade do Porto, Rua Dr. Roberto Frias, 4200-464 Porto, Portugal;2. Ecole Supérieure du Commerce Extérieur, PULV, 92916 Paris La Défense, France;3. CMUP and Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre 687, 4169-007 Porto, Portugal |
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| Abstract: | ![]()
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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| Keywords: | D50 C62 C02 |
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