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Optimal Fiscal and Monetary Policy Without Commitment

Author

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  • Niemann, S
  • Pichler, P
  • Sorger, G
Abstract
This paper studies optimal fiscal and monetary policy in a stochastic economy with imperfectly competitive product markets and a discretionary government. We find that, in the flexible price economy, optimal time-consistent policy implements the Friedman rule independently of the degree of imperfect competition. This result is in contrast to the Ramsey literature, where the Friedman rule emerges as the optimal policy only if markets are perfectly competitive. Second, once nominal rigidities are introduced, the Friedman rule ceases to be optimal, inflation rates are low and stable, and tax rates are relatively volatile. Finally, optimal time-consistent policy under sticky prices does not generate the near-random walk behavior of taxes and real debt that can be observed under optimal policy in the Ramsey problem. A common reason for these results is that the discretionary government, in an effort to asymptotically eliminate its time-consistency problem, accumulates a large net asset position such that it can finance its expenditures via the associated interest earnings.

Suggested Citation

  • Niemann, S & Pichler, P & Sorger, G, 2008. "Optimal Fiscal and Monetary Policy Without Commitment," Economics Discussion Papers 2897, University of Essex, Department of Economics.
    • Handle: RePEc:esx:essedp:2897
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    1. Javier Diaz-Gimenez & Giorgia Giovannetti & Ramon Marimon & Pedro Teles, 2008. "Nominal Debt as a Burden on Monetary Policy," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 11(3), pages 493-514, July.
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    Cited by:

    1. Dennis, Richard & Kirsanova, Tatiana, 2016. "Computing Markov-Perfect Optimal Policies In Business-Cycle Models," Macroeconomic Dynamics, Cambridge University Press, vol. 20(7), pages 1850-1872, October.
    2. Niemann, Stefan, 2011. "Dynamic monetary–fiscal interactions and the role of monetary conservatism," Journal of Monetary Economics, Elsevier, vol. 58(3), pages 234-247.
    3. Campbell Leith & Simon Wren-Lewis, 2013. "Fiscal Sustainability in a New Keynesian Model," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 45(8), pages 1477-1516, December.
    4. Richard Dennis, 2013. "Asset Prices, Business Cycles, and Markov-Perfect Fiscal Policy when Agents are Risk-Sensitive," CAMA Working Papers 2013-69, Centre for Applied Macroeconomic Analysis, Crawford School of Public Policy, The Australian National University.
    5. Niemann, S & Pichler, P & Sorger, G, 2009. "Inflation dynamics under optimal discretionary fiscal and monetary policies," Economics Discussion Papers 2898, University of Essex, Department of Economics.
    6. Dennis, Richard & Kirsanova, Tatiana, 2014. "Computing Markov-Perfect Optimal Policies in Business-Cycle Models," 2007 Annual Meeting, July 29-August 1, 2007, Portland, Oregon TN 2015-64, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
    7. Niemann, Stefan & Pichler, Paul, 2011. "Optimal fiscal and monetary policies in the face of rare disasters," European Economic Review, Elsevier, vol. 55(1), pages 75-92, January.

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    More about this item

    JEL classification:

    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • E61 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Policy Objectives; Policy Designs and Consistency; Policy Coordination
    • E63 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Comparative or Joint Analysis of Fiscal and Monetary Policy; Stabilization; Treasury Policy

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