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Macroprudential Regulation Versus Mopping Up After the Crash

  • Anton Korinek

    (Johns Hopkins University and IMF)

  • Olivier Jeanne

    (John Hopkins University)

This paper compares ex-ante policy measures (such as macroprudential regulation) and ex-post policy interventions (such as bailouts) to respond to financial crises in models of financial amplification, i.e. models in which falling asset prices, declining net worth and tightening financial constraints reinforce each other. The optimal policy mix in such models involves a combination of both types of measures since they offer alternative ways of mitigating binding financial constraints. Comparing their relative merits, ex-post policy interventions are only taken once a crisis has materialized and are therefore better targeted, whereas ex-ante measures are blunter since they depend on crisis expectations. However, ex-post interventions distort incentives and create moral hazard. This introduces a time consistency problem, which can in turn be solved by ex-ante policy measures. Limiting ex-post transfers to the revenue accumulated in a bailout fund reduces welfare.

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Paper provided by Society for Economic Dynamics in its series 2013 Meeting Papers with number 405.

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Date of creation: 2013
Date of revision:
Handle: RePEc:red:sed013:405
Contact details of provider: Postal: Society for Economic Dynamics Christian Zimmermann Economic Research Federal Reserve Bank of St. Louis PO Box 442 St. Louis MO 63166-0442 USA
Fax: 1-314-444-8731
Web page: http://www.EconomicDynamics.org/society.htmEmail:


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  1. Benigno, Gianluca & Chen, Huigang & Otrok, Christopher & Rebucci, Alessandro & Young, Eric R, 2012. "Optimal Policy for Macro-Financial Stability," CEPR Discussion Papers 9223, C.E.P.R. Discussion Papers.
  2. Jeanne, O. & Korinek, A., 2010. "Managing Credit Booms and Busts : A Pigouvian Taxation Approach," Discussion Paper 2010-108S, Tilburg University, Center for Economic Research.
  3. Viral V. Acharya & Tanju Yorulmazer, 2008. "Cash-in-the-Market Pricing and Optimal Resolution of Bank Failures," Review of Financial Studies, Society for Financial Studies, vol. 21(6), pages 2705-2742, November.
  4. Anton Korinek & Jonathan Kreamer, 2013. "The Redistributive Effects of Financial Deregulation," NBER Working Papers 19572, National Bureau of Economic Research, Inc.
  5. Bengt Holmstrom & Jean Tirole, 1996. "Private and Public Supply of Liquidity," NBER Working Papers 5817, National Bureau of Economic Research, Inc.
  6. Aghion, Philippe & Bacchetta, Philippe & Banerjee, Abhijit, 2001. "A Corporate Balance Sheet Approach to Currency Crises," CEPR Discussion Papers 3092, C.E.P.R. Discussion Papers.
  7. Olivier Jeanne & Anton Korinek, 2010. "Excessive Volatility in Capital Flows: A Pigouvian Taxation Approach," NBER Working Papers 15927, National Bureau of Economic Research, Inc.
  8. Javier Bianchi, 2011. "Overborrowing and Systemic Externalities in the Business Cycle," American Economic Review, American Economic Association, vol. 101(7), pages 3400-3426, December.
  9. Javier Bianchi & Enrique G. Mendoza, 2010. "Overborrowing, Financial Crises and 'Macro-prudential' Taxes," NBER Working Papers 16091, National Bureau of Economic Research, Inc.
  10. Korinek, Anton, 2011. "Systemic risk-taking: amplification effects, externalities, and regulatory responses," Working Paper Series 1345, European Central Bank.
  11. Javier Bianchi, 2012. "Efficient Bailouts?," NBER Working Papers 18587, National Bureau of Economic Research, Inc.
  12. Olivier Jeanne & Anton Korinek, 2010. "Managing Credit Booms and Busts: A Pigouvian Taxation Approach," NBER Working Papers 16377, National Bureau of Economic Research, Inc.
  13. repec:dgr:uvatin:20110040 is not listed on IDEAS
  14. Ryo Kato & Takayuki Tsuruga, 2012. "Bank Overleverage and Macroeconomic Fragility," Discussion papers e-12-002, Graduate School of Economics Project Center, Kyoto University, revised Mar 2013.
  15. repec:dgr:uvatin:2011040 is not listed on IDEAS
  16. Enrico Perotti & Javier Suarez, 2011. "A Pigovian Approach to Liquidity Regulation," DNB Working Papers 291, Netherlands Central Bank, Research Department.
  17. Bernanke, Ben & Gertler, Mark, 1989. "Agency Costs, Net Worth, and Business Fluctuations," American Economic Review, American Economic Association, vol. 79(1), pages 14-31, March.
  18. Guido Lorenzoni, 2007. "Inefficient Credit Booms," NBER Working Papers 13639, National Bureau of Economic Research, Inc.
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