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Optimal Monetary and Prudential Policies

Author Info

Listed author(s):
  • Fabrice Collard

    ()

    (University of Bern)

  • Harris Dellas

    ()

    (University of Bern)

  • Behzad Diba

    ()

    (Georgetown University)

  • Olivier Loisel

    ()

    (CREST(ENSAE))

Abstract

The recent financial crisis has highlighted the interconnectedness between macroeconomic and financial stability and has raised the question of whether and how to combine the corresponding main policy instruments (interest rate and bank-capital requirements). This paper offers a characterization of the jointly optimal setting of monetary and prudential policies and discusses its implications for the business cycle. The source of financial fragility is the socially excessive risk-taking by banks due to limited liability and deposit insurance. We characterize the conditions under which locally optimal (Ramsey) policy dedicates the prudential instrument to preventing inefficient risk-taking by banks; and the monetary instrument to dealing with the business cycle, with the two instruments co-varying negatively. Our analysis thus identifies circumstances that can validate the prevailing view among central bankers that standard interest-rate policy cannot serve as the first line of defense against financial instability. In addition, we also provide conditions under which the two instruments might optimally co-move positively and countercyclically.

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Paper provided by Centre de Recherche en Economie et Statistique in its series Working Papers with number 2012-34.

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Length: 35
Date of creation: Dec 2012
Handle: RePEc:crs:wpaper:2012-34
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Keywords: Prudential policy; Capital requirements; Monetary policy; Ramsey-optimal policies;

Other versions of this item:

Find related papers by JEL classification:
  • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
  • 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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  1. Javier Bianchi, 2011. "Overborrowing and Systemic Externalities in the Business Cycle," American Economic Review, American Economic Association, vol. 101(7), pages 3400-3426, December.
  2. Enrique G. Mendoza & Javier Bianchi, 2010. "Overborrowing, financial crises and ‘macro-prudential’ taxes," Proceedings, Federal Reserve Bank of San Francisco, issue Oct.
  3. Olivier Blanchard & Giovanni Dell'Ariccia & Paolo Mauro, 2010. "Rethinking Macroeconomic Policy," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 42(s1), pages 199-215, 09.
  4. Urban Jermann & Vincenzo Quadrini, 2012. "Macroeconomic Effects of Financial Shocks," American Economic Review, American Economic Association, vol. 102(1), pages 238-271, February.
  5. Vasco Cúrdia & Michael Woodford, 2010. "Conventional and unconventional monetary policy," Review, Federal Reserve Bank of St. Louis, issue May, pages 229-264.
  6. Francisco Covas & Shigeru Fujita, 2010. "Procyclicality of Capital Requirements in a General Equilibrium Model of Liquidity Dependence," International Journal of Central Banking, International Journal of Central Banking, vol. 6(34), pages 137-173, December.
  7. Martinez-Miera, David & Suarez, Javier, 2012. "A Macroeconomic Model of Endogenous Systemic Risk Taking," CEPR Discussion Papers 9134, C.E.P.R. Discussion Papers.
  8. Van den Heuvel, Skander J., 2008. "The welfare cost of bank capital requirements," Journal of Monetary Economics, Elsevier, vol. 55(2), pages 298-320, March.
  9. Borio, Claudio & Zhu, Haibin, 2012. "Capital regulation, risk-taking and monetary policy: A missing link in the transmission mechanism?," Journal of Financial Stability, Elsevier, vol. 8(4), pages 236-251.
  10. Stephen G. Cecchetti & Marion Kohler, 2014. "When Capital Adequacy and Interest Rate Policy Are Substitutes (And When They Are Not)," International Journal of Central Banking, International Journal of Central Banking, vol. 10(3), pages 205-231, September.
  11. Angeloni, Ignazio & Faia, Ester, 2013. "Capital regulation and monetary policy with fragile banks," Journal of Monetary Economics, Elsevier, vol. 60(3), pages 311-324.
  12. Andrew T. Levin & Alexei Onatski & John Williams & Noah M. Williams, 2006. "Monetary Policy Under Uncertainty in Micro-Founded Macroeconometric Models," NBER Chapters,in: NBER Macroeconomics Annual 2005, Volume 20, pages 229-312 National Bureau of Economic Research, Inc.
  13. Kevin Moran & Cesaire A. Meh & Ian Christensen, 2010. "Bank Leverage Regulation and Macroeconomic Dynamics," 2010 Meeting Papers 757, Society for Economic Dynamics.
  14. Xavier Freixas & Jean-Charles Rochet, 2008. "Microeconomics of Banking, 2nd Edition," MIT Press Books, The MIT Press, edition 2, volume 1, number 0262062704, July.
  15. Canuto, Otaviano, 2011. "How Complementary Are Prudential Regulation and Monetary Policy?," World Bank - Economic Premise, The World Bank, issue 60, pages 1-7, June.
  16. Olivier Jeanne & Anton Korinek, 2010. "Excessive Volatility in Capital Flows: A Pigouvian Taxation Approach," American Economic Review, American Economic Association, vol. 100(2), pages 403-407, May.
  17. Urban Jermann & Vincenzo Quadrini, 2012. "Erratum: Macroeconomic Effects of Financial Shocks," American Economic Review, American Economic Association, vol. 102(2), pages 1186-1186, April.
  18. David Lopez-Salido & Andrew T. Levin, 2004. "Optimal Monetary Policy with Endogenous Capital Accumulation," 2004 Meeting Papers 826, Society for Economic Dynamics.
  19. Janet L Yellen, 2011. "Macroprudential Supervision and Monetary Policy in the Post-crisis World," Business Economics, Palgrave Macmillan;National Association for Business Economics, vol. 46(1), pages 3-12, January.
  20. Ruud Mooij & Michael Devereux, 2011. "An applied analysis of ACE and CBIT reforms in the EU," International Tax and Public Finance, Springer;International Institute of Public Finance, vol. 18(1), pages 93-120, February.
  21. repec:fip:fedgsq:y:2010:i:oct11 is not listed on IDEAS
  22. Christopher Otrok & Gianluca Benigno & Huigang Chen & Alessandro Rebucci & Eric R. Young, 2012. "Monetary and Macro-Prudential Policies: An Integrated Analysis," Working Papers 1208, Department of Economics, University of Missouri.
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