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Erscheinungsjahr: 
2022
Schriftenreihe/Nr.: 
Center for Mathematical Economics Working Papers No. 673
Verlag: 
Bielefeld University, Center for Mathematical Economics (IMW), Bielefeld
Zusammenfassung: 
This note presents an analytical method to examine when, why, and how rules of price normalization have an impact on noncompetitive equilibria in Arrow-Debreu economies. For simple prototype economies it is shown that under smooth strict convexity of preferences and technologies regular monopolistic equilibria depend generically on the parameters of the normalization map. Conversely, for an example with consumer preferences from a parametrized class of quasi-concave/quasi-convex utility functions monopolistic equilibria are shown to be invariant under normalization for all parameters under convex technologies as well as under fixed costs or increasing returns. The generic dependence of allocations on rules of price normalization implies alterations of characteristics of outcomes in a much wider class of applications than models of monopolistic competition only. Several examples of so-called Cournot-Walras oligopolies are discussed occurring in typical models with monopolistic competition, international trade, welfare economics, public economics, and macroeconomics revealing the generic impact of price normalization on noncompetitive outcomes in Arrow-Debreu economies.
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