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Journal of Political Economy Vol. 109 No. 4 2001

Walras Retrouvé: Decentralized Trading Mechanisms and the Competitive Price

Gianni De Fraja; József Sákovics1,2

1 Consejo Superior de Investigaciones Científicas · 2 University of Edinburgh

Abstract

We extend the standard analysis of decentralized markets to allow for the possibility that traders interact simultaneously with more than one trader on the opposite side of the market. In contrast with the literature, we reconcile the Walrasian equilibrium with the outcome of decentralized strategic trade: we show that there exist generic matching technologies that determine local market conditions such that, as market frictions vanish, the equilibrium price is the one that would result in the static Walrasian market. Our analysis highlights the importance of local market conditions for the determination of equilibrium prices.

DOI
10.1086/322087
Volume
109
Issue
4
Pages
842-863
Language
en
Sources
bibtex:phds-export.bib openalex crossref

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