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Optimal Monetary and Prudential Policies

  • Fabrice Collard

    ()

    (University of Bern)

  • Harris Dellas

    ()

    (University of Bern)

  • Behzad Diba

    ()

    (Georgetown University)

  • Olivier Loisel

    ()

    (CREST(ENSAE))

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
Date of revision:
Handle: RePEc:crs:wpaper:2012-34
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  1. Otaviano Canuto, 2011. "How Complementary Are Prudential Regulation and Monetary Policy?," World Bank Other Operational Studies 10089, The World Bank.
  2. 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.
  3. Vasco Cúrdia & Michael Woodford, 2009. "Conventional and unconventional monetary policy," Staff Reports 404, Federal Reserve Bank of New York.
  4. Javier Bianchi & Enrique G. Mendoza, 2011. "Overborrowing, Financial Crises and 'Macro-prudential' Policy," 2011 Meeting Papers 175, Society for Economic Dynamics.
  5. Ruud de Mooij & M.P. Devereux, 2009. "An applied analysis of ACE and CBIT reform in the EU," CPB Discussion Paper 128, CPB Netherlands Bureau for Economic Policy Analysis.
  6. 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.
  7. Kevin Moran & Cesaire A. Meh & Ian Christensen, 2010. "Bank Leverage Regulation and Macroeconomic Dynamics," 2010 Meeting Papers 757, Society for Economic Dynamics.
  8. Skander Van den Heuvel, 2005. "The Welfare Cost of Bank Capital Requirements," 2005 Meeting Papers 880, Society for Economic Dynamics.
  9. Bianchi, Javier, 2009. "Overborrowing and Systemic Externalities in the Business Cycle," MPRA Paper 16270, University Library of Munich, Germany.
  10. Olivier Jeanne & Anton Korinek, 2010. "Excessive Volatility in Capital Flows: A Pigouvian Taxation Approach," Working Paper Series WP10-5, Peterson Institute for International Economics.
  11. Enrique Mendoza & Javier Bianchi, 2010. "Overborrowing, financial crises and ‘macro-prudential’ taxes," Proceedings, Federal Reserve Bank of San Francisco, issue Oct.
  12. Janet L Yellen, 2011. "Macroprudential Supervision and Monetary Policy in the Post-crisis World," Business Economics, Palgrave Macmillan, vol. 46(1), pages 3-12, January.
  13. 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.
  14. 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.
  15. David Lopez-Salido & Andrew T. Levin, 2004. "Optimal Monetary Policy with Endogenous Capital Accumulation," 2004 Meeting Papers 826, Society for Economic Dynamics.
  16. Jermann, Urban & Quadrini, Vincenzo, 2009. "Macroeconomic Effects of Financial Shocks," CEPR Discussion Papers 7451, C.E.P.R. Discussion Papers.
  17. Martinez-Miera, David & Suarez, Javier, 2012. "A Macroeconomic Model of Endogenous Systemic Risk Taking," CEPR Discussion Papers 9134, C.E.P.R. Discussion Papers.
  18. Canuto, Otaviano, 2011. "How Complementary Are Prudential Regulation and Monetary Policy?," World Bank - Economic Premise, The World Bank, issue 60, pages 1-7, June.
  19. 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.
  20. repec:fip:fedgsq:y:2010:i:oct11 is not listed on IDEAS
  21. Angeloni, Ignazio & Faia, Ester, 2013. "Capital regulation and monetary policy with fragile banks," Journal of Monetary Economics, Elsevier, vol. 60(3), pages 311-324.
  22. Xavier Freixas & Jean-Charles Rochet, 2008. "Microeconomics of Banking, 2nd Edition," MIT Press Books, The MIT Press, edition 2, volume 1, number 0262062704, June.
  23. 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.
  24. Urban Jermann & Vincenzo Quadrini, 2012. "Erratum: Macroeconomic Effects of Financial Shocks," American Economic Review, American Economic Association, vol. 102(2), pages 1186-1186, April.
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