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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," Journal of Economic Dynamics and Control, Elsevier, vol. 32(4), pages 1273-1311, April.
    • Handle: RePEc:eee:dyncon:v:32:y:2008:i:4:p:1273-1311
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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.
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    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.
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    6. Eisei Ohtaki, 2023. "Climate change, financial intermediation, and monetary policy," Working Papers e179, Tokyo Center for Economic Research.

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