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Optimal Monetary Policy under Imperfect Financial Integration

Author

Listed:
  • Nao Sudo

    (Institute for Monetary and Economic Studies, Bank of Japan (E-mail: nao.sudo @boj.or.jp))

  • Yuki Teranishi

    (Associate Director, Institute for Monetary and Economic Studies, Bank of Japan (E-mail: yuuki.teranishi @boj.or.jp))

Abstract

After empirically showing imperfect financial integration among the euro countries, i.e., bank loan market heterogeneities in stickinesses of loan interest rates and markups from policy interest rate to loan rates, we build a New Keynesian model where such elements of imperfect financial integration coexist within a single currency area. Our welfare analysis reveals characteristics of optimal monetary policy. A central bank should take these heterogeneities into consideration. The optimal monetary policy is tied to difference in the degree of loan rate stickiness, the size of the steady-state loan rate markup, and the share of the loan market. By calibrating our model to the euro, we present the raking of the euro countries in terms of monetary policy priority. Because of the heterogeneity in the loan markets among the euro area countries, this ordering is not equivalent to the size of the financial market.

Suggested Citation

  • Nao Sudo & Yuki Teranishi, 2008. "Optimal Monetary Policy under Imperfect Financial Integration," IMES Discussion Paper Series 08-E-25, Institute for Monetary and Economic Studies, Bank of Japan.
  • Handle: RePEc:ime:imedps:08-e-25
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    References listed on IDEAS

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    Cited by:

    1. Teranishi, Yuki, 2012. "Credit spread and monetary policy," Economics Letters, Elsevier, vol. 114(1), pages 26-28.
    2. Cúrdia, Vasco & Woodford, Michael, 2016. "Credit Frictions and Optimal Monetary Policy," Journal of Monetary Economics, Elsevier, vol. 84(C), pages 30-65.
    3. repec:fip:fedfpr:00004 is not listed on IDEAS

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    More about this item

    Keywords

    optimal monetary policy; financial integration; heterogeneous financial market; staggered loan contracts;
    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

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