Economies with price-dependent preferences |
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Authors: | Yves Balasko |
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Institution: | CERAS (CNRS-URA 2036), 28, rue des Saints-Pères, Paris 75343, Cedex 07, France |
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Abstract: | With the exception of existence, not much is known of economies where individual preferences may depend on prices. We show that the main properties of competitive equilibria that fall under the general heading of qualitative comparative statics remain true when preferences are price-dependent, provided that the total resources are allowed to vary in the parameter space. The equilibrium set is a smooth manifold diffeomorphic to a Euclidean space; the natural projection is a smooth proper map, with topological degree one; equilibria always exist, and are locally unique for an open and dense set of economies. |
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Keywords: | D51 D52 |
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