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

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  • Pedro Gomis-Porqueras
  • Adrian Peralta-Alva

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.

Suggested Citation

  • Pedro Gomis-Porqueras & Adrian Peralta-Alva, 2008. "Optimal monetary and fiscal policies in a search theoretic model of monetary exchange," Working Papers 2008-015, Federal Reserve Bank of St. Louis.
  • Handle: RePEc:fip:fedlwp:2008-015
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    Cited by:

    1. Pedro Gomis-Porqueras & Daniel Sanches, 2013. "Optimal Monetary Policy in a Model of Money and Credit," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 45(4), pages 701-730, June.
    2. 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.
    3. 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.
    4. 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.
    5. 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.
    6. 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.
    7. Christopher J. Waller, 2015. "Microfoundations of Money: Why They Matter," Review, Federal Reserve Bank of St. Louis, vol. 97(4), pages 289-301.
    8. Altermatt, Lukas, 2019. "Savings, asset scarcity, and monetary policy," Journal of Economic Theory, Elsevier, vol. 182(C), pages 329-359.
    9. University of Notre Dame & Christopher Waller, 2008. "Dynamic Taxation, Private Information and Money," 2008 Meeting Papers 896, Society for Economic Dynamics.
    10. 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.
    11. Begoña Dominguez & Pedro Gomis-Porqueras, 2012. "On the Time Inconsistency of Optimal Monetary and Fiscal Policies With Many Consumer Goods," Monash Economics Working Papers 31-12, Monash University, Department of Economics.
    12. 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.
    13. 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.
    14. 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.
    15. 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.
    16. 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.
    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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    Monetary policy; Fiscal policy;

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