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Optimal Macroprudential Policy

Author

Listed:
  • Junichi Fujimoto

    (National Graduate Institute for Policy Studies)

  • Ko Munakata

    (Bank of Japan)

  • Koji Nakamura

    (Bank of Japan)

  • Yuki Teranishi

    (Keio University and CAMA, ANU)

Abstract

This paper introduces financial market frictions into a standard New Keynesian model through search and matching in the credit market. Under such financial mar- ket frictions, a second-order approximation of social welfare includes a term involv- ing credit, in addition to terms for inflation and consumption. As a consequence, the optimal monetary and macroprudential policies must contribute to both finan- cial and price stability. This result holds for various approximated welfares that can change corresponding to macroprudential policy variables. The key features of opti- mal policies are as follows. The optimal monetary policy requires keeping the credit market countercyclical against the real economy. Commitment in monetary and macro- prudential policy, rather than approximated welfare, justifies history dependence and pre-emptiveness. Appropriate combinations of macroprudential and monetary policy achieve perfect financial and price stability.

Suggested Citation

  • Junichi Fujimoto & Ko Munakata & Koji Nakamura & Yuki Teranishi, 2014. "Optimal Macroprudential Policy," UTokyo Price Project Working Paper Series 030, University of Tokyo, Graduate School of Economics.
    • Handle: RePEc:upd:utppwp:030
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    References listed on IDEAS

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    More about this item

    Keywords

    optimal macroprudential policy; optimal monetary policy; financial market friction;
    All these keywords.

    JEL classification:

    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • E61 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Policy Objectives; Policy Designs and Consistency; Policy Coordination

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