Commodity money with frequent search
AbstractA prominent feature of the Kiyotaki–Wright model of commodity money is multiplicity of dynamic equilibria. We show that the extent of multiplicity hinges on the frequency of search. Holding fixed the average number of meetings over time, we vary search frequency by altering the interval between search opportunities. To isolate the role of search frequency, we focus on symmetric equilibria in a symmetric environment. For each frequency we characterize the entire set of payoffs, strategies, and dynamic paths consistent with equilibrium. Indexed by these features, as search frequency increases the set of equilibria converges uniformly to a unique limiting equilibrium.
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Bibliographic InfoArticle provided by Elsevier in its journal Journal of Economic Theory.
Volume (Year): 147 (2012)
Issue (Month): 6 ()
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Web page: http://www.elsevier.com/locate/inca/622869
Commodity money; Search; Multiple equilibria; Sunspots;
Other versions of this item:
- Ezra Oberfield & Nicholas Trachter, 2010. "Commodity Money with Frequent Search," EIEF Working Papers Series 1023, Einaudi Institute for Economics and Finance (EIEF), revised Nov 2010.
- Ezra Oberfield & Nicholas Trachter, 2010. "Commodity money with frequent search," Working Paper Series WP-2010-22, Federal Reserve Bank of Chicago.
- E00 - Macroeconomics and Monetary Economics - - General - - - General
- E40 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - General
- D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search, Learning, and Information
- C73 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Stochastic and Dynamic Games; Evolutionary Games
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