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Optimal choice of monetary policy instruments in an economy with real and liquidity shocks

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  • Bhattacharya, Joydeep
  • Singh, Rajesh

Abstract

Faced with real and nominal shocks, what should a benevolent central bank do, fix the money growth rate or target the inflation rate? In this paper, we make a first attempt at studying the optimal choice of monetary policy instruments in a micro-founded model of money. Specifically, we produce an overlapping generations economy in which limited communication and stochastic relocation creates an endogenous transactions role for fiat money. We find that when the shocks are real, welfare is higher under money growth targeting; when the shocks are nominal and not large, welfare is higher under inflation targeting. While under inflation targeting, it is always optimal to pursue an expansionary policy, it is never optimal to do so under money growth targeting.

Suggested Citation

  • Bhattacharya, Joydeep & Singh, Rajesh, 2008. "Optimal choice of monetary policy instruments in an economy with real and liquidity shocks," ISU General Staff Papers 200804010700001160, Iowa State University, Department of Economics.
    • Handle: RePEc:isu:genstf:200804010700001160
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    1. Joseph H. Haslag & Antoine Martin, 2007. "Optimality of the Friedman Rule in an Overlapping Generations Model with Spatial Separation," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 39(7), pages 1741-1758, October.
    2. Bhattacharya, Joydeep & Singh, Rajesh, 2008. "Usefulness Of The Constrained Planning Problem In A Model Of Money," Macroeconomic Dynamics, Cambridge University Press, vol. 12(4), pages 503-525, September.
    3. Bhattacharya, Joydeep & Haslag, Joseph & Russell, Steven, 2005. "The role of money in two alternative models: When is the Friedman rule optimal, and why?," Journal of Monetary Economics, Elsevier, vol. 52(8), pages 1401-1433, November.
    4. Antinolfi, Gaetano & Keister, Todd, 2006. "Discount Window Policy, Banking Crises, And Indeterminacy Of Equilibrium," Macroeconomic Dynamics, Cambridge University Press, vol. 10(1), pages 1-19, February.
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    10. Gomis-Porqueras, Pere & Smith, Bruce D., 2003. "Seasonality And Monetary Policy," Macroeconomic Dynamics, Cambridge University Press, vol. 7(4), pages 477-502, September.
    11. Bruce D. Smith, 2002. "Monetary Policy, Banking Crises, and the Friedman Rule," American Economic Review, American Economic Association, vol. 92(2), pages 128-134, May.
    12. Smith, Bruce D, 1994. "Efficiency and Determinacy of Equilibrium under Inflation Targeting," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 4(3), pages 327-344.
    13. Preston J. Miller & Gary H. Stern, 2004. "Avoiding significant monetary policy mistakes," Quarterly Review, Federal Reserve Bank of Minneapolis, vol. 28(Dec), pages 2-9.
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    Cited by:

    1. Matsuoka, Tarishi, 2012. "Imperfect interbank markets and the lender of last resort," Journal of Economic Dynamics and Control, Elsevier, vol. 36(11), pages 1673-1687.
    2. Bui Trung Thanh & Gábor Kiss Dávid, 2021. "Measuring monetary policy by money supply and interest rate: evidence from emerging economies," Review of Economic Perspectives, Sciendo, vol. 21(3), pages 347-367, September.
    3. Bhattacharya, Joydeep & Singh, Rajesh, 2010. "Optimal monetary rules under persistent shocks," Journal of Economic Dynamics and Control, Elsevier, vol. 34(7), pages 1277-1294, July.
    4. Bénassy, Jean-Pascal, 2012. "Destabilizing optimal policies in the business cycle," Journal of Economic Dynamics and Control, Elsevier, vol. 36(9), pages 1364-1371.
    5. Jordi Caballé & Jana Hromcová, 2011. "The Role of Central Bank Operating Procedures in an Economy with Productive Government Spending," Computational Economics, Springer;Society for Computational Economics, vol. 37(1), pages 39-65, January.
    6. Eisei Ohtaki, 2023. "Climate change, financial intermediation, and monetary policy," Working Papers e179, Tokyo Center for Economic Research.

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