A "Double Coincidence" Search Model of Money
According to Engineer and Shi (1998, 2001) and Berentsen and Rocheteau (2003), the double coincidence of wants problem seems to be not essential to rationalize the use of money in a search theoretic framework. This paper analyzes an endogenous price search model of money where there is universal double coincidence of wants. The existence of a monetary equilibrium depends, essentially, on the asymmetry in the role played by economic agents in the exchange and production processes. In particular, entrepreneurs are assumed to produce a fixed amount of a divisible consumption good by means of labour services provided by workers. Entrepreneurs can offer a co-operative (barter) contract or a monetary contract to workers. Under the co-operative contract real wages are determined in the labour exchange sector, while in the monetary regime real wages are determined in the commodity exchange sector. The monetary contract is proved to be an equilibrium strategy provided that: (i) the workers' labour disutility is sufficiently high and/or (ii) the entrepreneurs' bargaining power in the commodity market is sufficiently large relative to their bargaining power in the labour market. The rationale for money comes from the fact that entrepreneurs use it as an instrument to maximize their output share.
|Date of creation:||18 Jul 2008|
|Date of revision:||18 Jul 2008|
|Contact details of provider:|| Postal: CEIS - Centre for Economic and International Studies - Faculty of Economics - University of Rome "Tor Vergata" - Via Columbia, 2 00133 Roma|
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- Aleksander Berentsen & Guillaume Rocheteau, "undated". "Money and the Gains from Trade," IEW - Working Papers 100, Institute for Empirical Research in Economics - University of Zurich.
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- Engineer, Merwan & Shouying Shi, 1998. "Asymmetry, imperfectly transferable utility, and the role of fiat money in improving terms of trade," Journal of Monetary Economics, Elsevier, vol. 41(1), pages 153-183, February. Full references (including those not matched with items on IDEAS)
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