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Optimal monetary and fiscal policies in a search theoretic model of monetary exchange

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Author Info
Pere Gomis-Porqueras
Adrian Peralta-Alva

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Abstract

In this paper we study optimal monetary and fiscal policies, and the welfare costs of inflation, within the Lagos and Wright (2005) framework. Monetary equilibria may be inefficient without fiscal policy tools due to bargaining frictions. We show that subsidies in decentralized markets can be implemented to alleviate underproduction, while money is still essential. Deviations from the Friedman rule may be large, and having fiscal and monetary policies in place results in considerable welfare gains. When fiscal policies are held constant, the welfare costs of increasing inflation may be as high as 8% of lifetime consumption. When lump sum monetary transfers are not available, a positive production subsidy may be inflationary and welfare reducing. However, sales taxes in the decentralized market and production taxes in the centralized market may increase welfare. The optimality of the Friedman rule in this case depends crucially on the bargaining power of the buyer, and equilibria are not first best.

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Paper provided by Federal Reserve Bank of St. Louis in its series Working Papers with number 2008-015.

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Date of creation: 2008
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Handle: RePEc:fip:fedlwp:2008-015

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Keywords: Monetary policy ; Fiscal policy;

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  1. Robert E. Lucas, Jr., 2000. "Inflation and Welfare," Econometrica, Econometric Society, vol. 68(2), pages 247-274, March.
  2. Randall Wright, 2005. "Introduction To "Models Of Monetary Economies Ii: The Next Generation"," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 46(2), pages 305-316, 05. [Downloadable!] (restricted)
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  3. Boragan Aruoba, S. & Rocheteau, Guillaume & Waller, Christopher, 2007. "Bargaining and the value of money," Journal of Monetary Economics, Elsevier, vol. 54(8), pages 2636-2655, November. [Downloadable!] (restricted)
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  4. Alberto Trejos & Randall Wright, 1993. "Search, bargaining, money and prices: recent results and policy implications," Proceedings, Federal Reserve Bank of Cleveland, pages 558-584.
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  5. Narayana R. Kocherlakota, 2005. "Optimal Monetary Policy: What We Know And What We Don'T Know," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 46(2), pages 715-729, 05. [Downloadable!] (restricted)
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  6. Kiyotaki, Nobuhiro & Wright, Randall, 1991. "A contribution to the pure theory of money," Journal of Economic Theory, Elsevier, vol. 53(2), pages 215-235, April. [Downloadable!] (restricted)
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  7. Ritter, Moritz, 2007. "The Optimum Quantity of Money Revisited: Distortionary Taxation in a Search Model of Money," MPRA Paper 1973, University Library of Munich, Germany. [Downloadable!]
  8. Tai-wei Hu & John Kennan & Neil Wallace, 2007. "Coalition-Proof Trade and the Friedman Rule in the Lagos-Wright Model," NBER Working Papers 13310, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  9. Joydeep Bhattacharya & Joseph H. Haslag & Antoine Martin, 2005. "Heterogeneity, Redistribution, And The Friedman Rule," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 46(2), pages 437-454, 05. [Downloadable!] (restricted)
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  10. Miguel Molico, 2006. "The Distribution Of Money And Prices In Search Equilibrium," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 47(3), pages 701-722, 08. [Downloadable!] (restricted)
  11. Ricardo Lagos & Randall Wright, 2005. "A Unified Framework for Monetary Theory and Policy Analysis," Journal of Political Economy, University of Chicago Press, vol. 113(3), pages 463-484, June.
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