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

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  • Gomis-Porqueras, Pedro
  • Peralta-Alva, Adrian

Abstract

Search models of monetary exchange commonly assume that terms of trade in anonymous markets are determined via Nash bargaining, which generally causes monetary equilibrium to be inefficient. Bargaining frictions add to the classical intertemporal distortion present in most monetary models, whereby agents work today to obtain cash that can be used only in future transactions. In this paper, we study the properties of optimal fiscal and monetary policy within the framework of Lagos and Wright (2005). We show that fiscal policy can be implemented to alleviate underproduction while money is still essential. If lump sum monetary transfers are available, a production subsidy can restore the efficiency of monetary equilibria. The Friedman rule belongs to the optimal policy set, but higher inflation rates are also possible. When lump-sum monetary transfers are not available, equilibrium allocations are generally not first-best. Nevertheless, fiscal policy still results in substantial welfare gains. Money can be extracted from circulation via a sales tax on decentralized market activities, and the Friedman rule is only optimal if the buyer has relatively low bargaining power.

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  • Gomis-Porqueras, Pedro & Peralta-Alva, Adrian, 2010. "Optimal monetary and fiscal policies in a search theoretic model of monetary exchange," European Economic Review, Elsevier, vol. 54(3), pages 331-344, April.
  • Handle: RePEc:eee:eecrev:v:54:y:2010:i:3:p:331-344
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    2. Pedro Gomis-Porqueras & Timothy Kam & Christopher Waller, 2017. "Nominal Exchange Rate Determinacy under the Threat of Currency Counterfeiting," American Economic Journal: Macroeconomics, American Economic Association, vol. 9(2), pages 256-273, April.
    3. Pedro Gomis-Porqueras & Christopher J. Waller, 2017. "Optimal Taxes Under Private Information: The Role of the Inflation," Working Papers 2017-014, Federal Reserve Bank of St. Louis, revised 20 Aug 2020.
    4. Christopher J. Waller, 2015. "Microfoundations of Money: Why They Matter," Review, Federal Reserve Bank of St. Louis, vol. 97(4), pages 289-301.
    5. Altermatt, Lukas, 2019. "Savings, asset scarcity, and monetary policy," Journal of Economic Theory, Elsevier, vol. 182(C), pages 329-359.
    6. Gomis-Porqueras Pedro & Sun Ching-Jen, 2020. "Fiat Money as a Public Signal, Medium of Exchange, and Punishment," The B.E. Journal of Theoretical Economics, De Gruyter, vol. 20(2), pages 1-11, June.
    7. Ritter Moritz, 2010. "The Optimum Quantity of Money Revisited: Distortionary Taxation in a Search Model of Money," The B.E. Journal of Macroeconomics, De Gruyter, vol. 10(1), pages 1-26, June.
    8. Begoña Domínguez & Pedro Gomis‐Porqueras, 2021. "On the Time Inconsistency of Optimal Monetary and Fiscal Policies with Many Consumer Goods," Scandinavian Journal of Economics, Wiley Blackwell, vol. 123(1), pages 60-83, January.
    9. Gomis-Porqueras, Pedro & Julien, Benoît & Wang, Chengsi, 2013. "Optimal Monetary And Fiscal Policies In A Search-Theoretic Model Of Money And Unemployment," Macroeconomic Dynamics, Cambridge University Press, vol. 17(6), pages 1330-1354, September.
    10. University of Notre Dame & Christopher Waller, 2008. "Dynamic Taxation, Private Information and Money," 2008 Meeting Papers 896, Society for Economic Dynamics.
    11. Tao Peng, 2012. "A Note on the implementation of the Pareto efficient allocation in the Lagos-Wright model," Economics Bulletin, AccessEcon, vol. 32(1), pages 27-36.
    12. Williamson, Stephen & Wright, Randall, 2010. "New Monetarist Economics: Models," Handbook of Monetary Economics, in: Benjamin M. Friedman & Michael Woodford (ed.), Handbook of Monetary Economics, edition 1, volume 3, chapter 2, pages 25-96, Elsevier.
    13. Muhammad Ali Nasir & Alaa M. Soliman & Milton Yago & Junjie Wu, 2016. "Macroeconomic Policies Interaction & the Symmetry of Financial Markets’ Responses," Journal of Central Banking Theory and Practice, Central bank of Montenegro, vol. 5(1), pages 53-69.
    14. Fernando M. Martin, 2013. "Government Policy In Monetary Economies," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 54(1), pages 185-217, February.
    15. Muhammad Ali Nasir & Alaa M. Soliman, 2014. "Aspects of Macroeconomic Policy Combinations and Their Effects on Financial Markets," Economic Issues Journal Articles, Economic Issues, vol. 19(1), pages 95-118, March.
    16. Muhammad Ali Nasir & Junjie Wu & Milton Yago & Alaa M. Soliman, 2016. "Macroeconomic policy interaction: State dependency and implications for financial stability in UK: A systemic review," Cogent Business & Management, Taylor & Francis Journals, vol. 3(1), pages 1154283-115, December.
    17. Nicolas L. Jacquet & Serene Tan, 2011. "Money, Bargaining, and Risk Sharing," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 43, pages 419-442, October.
    18. Daniel Fried, 2017. "Inflation, Default, and the Currency Composition of Sovereign Debt in Emerging Economies: Working Paper 2017-01," Working Papers 52385, Congressional Budget Office.
    19. Alin OPREANA & Simona VINEREAN, 2015. "Analysis of the Economic Research Context after the Outbreak of the Economic Crisis of 2007-2009," Expert Journal of Economics, Sprint Investify, vol. 3(1), pages 77-92.

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