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Optimal Policy for Macro-Financial Stability

  • Huigang Chen

    (MarketShare Partners)

  • Eric Young

    (University of Virginia)

  • Christopher Otrok

    (University of Missouri/St Louis Fed)

  • Alessandro Rebucci

    (IADB)

  • Gianluca Benigno

    (London School of Economics)

In this paper we study whether policy makers should wait to intervene until a financial crisis strikes or rather act in a preemptive manner. We study this question in a relatively simple dynamic stochastic general equilibrium model in which crises are endogenous events induced by the presence of an occasionally binding borrowing constraint as in Mendoza (2010). First, we show that the same set of taxes that replicates the constrained social planner allocation could be used optimally by a Ramsey planner to achieve the first best unconstrained equilibrium: in both cases without any precautionary intervention. Second, we show that the extent to which policymakers should intervene in a preemptive manner depends critically on the set of policy tools available and what these instruments can achieve when a crisis strikes. For example, in the context of our model, we find that, if the policy tools is constrained so that the first best cannot be achieved and \ the policy maker has access to only one tax instrument, it is always desirable to intervene before the crisis regardless of the instrument used. If however the policy maker has access to two instruments, it is optimal to act only during crisis times. Third and finally, we propose a computational algorithm to solve Markov-Perfect optimal policy for problems in which the policy function is not differentiable.

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Paper provided by Society for Economic Dynamics in its series 2013 Meeting Papers with number 636.

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Date of creation: 2013
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Handle: RePEc:red:sed013:636
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.htm
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  1. Adam, Klaus & Billi, Roberto M., 2007. "Discretionary monetary policy and the zero lower bound on nominal interest rates," Journal of Monetary Economics, Elsevier, vol. 54(3), pages 728-752, April.
  2. Lane, Philip R. & Milesi-Ferretti, Gian Maria, 2007. "The external wealth of nations mark II: Revised and extended estimates of foreign assets and liabilities, 1970-2004," Journal of International Economics, Elsevier, vol. 73(2), pages 223-250, November.
  3. Bianchi, Javier, 2009. "Overborrowing and Systemic Externalities in the Business Cycle," MPRA Paper 15114, University Library of Munich, Germany.
  4. Timothy J. Kehoe & Kim Ruhl, 2008. "Data Appendix to "Are Shocks to the Terms of Trade Shocks to Productivity?"," Technical Appendices 07-40, Review of Economic Dynamics.
  5. Guillermo A. Calvo & Alejandro Izquierdo & Luis-Fernando Mejía, 2008. "Systemic Sudden Stops: The Relevance Of Balance-Sheet Effects And Financial Integration," NBER Working Papers 14026, National Bureau of Economic Research, Inc.
  6. Enrique G. Mendoza, 2010. "Sudden Stops, Financial Crises, and Leverage," American Economic Review, American Economic Association, vol. 100(5), pages 1941-66, December.
  7. Timothy J Kehoe & David K Levine, 1993. "Debt Constrained Asset Markets," Levine's Working Paper Archive 1276, David K. Levine.
  8. Javier Bianchi & Enrique G. Mendoza, 2010. "Overborrowing, Financial Crises and 'Macro-prudential' Taxes," NBER Working Papers 16091, National Bureau of Economic Research, Inc.
  9. Benigno, Gianluca & Chen, Huigang & Otrok, Christopher & Rebucci, Alessandro & Young, Eric R., 2013. "Financial crises and macro-prudential policies," Journal of International Economics, Elsevier, vol. 89(2), pages 453-470.
  10. repec:ner:tilbur:urn:nbn:nl:ui:12-3107633 is not listed on IDEAS
  11. Timothy J. Kehoe & Kim J. Ruhl, 2007. "Are Shocks to the Terms of Trade Shocks to Productivity?," NBER Working Papers 13111, National Bureau of Economic Research, Inc.
  12. Adam, Klaus & Billi, Roberto M, 2003. "Optimal Monetary Policy Under Commitment with a Zero Bound on Nominal Interest Rates," CEPR Discussion Papers 4111, C.E.P.R. Discussion Papers.
  13. Gianluca Benigno & Huigang Chen & Christopher Otrok & Alessandro Rebucci & Eric R. Young, 2012. "Capital controls or exchange rate policy? a pecuniary externality perspective," Working Papers 2012-025, Federal Reserve Bank of St. Louis.
  14. Jonathan David Ostry & Carmen Reinhart, 1991. "Private Saving and Terms of Trade Shocks: Evidence From Developing Countries," IMF Working Papers 91/100, International Monetary Fund.
  15. Luis Felipe Céspedes & Roberto Chang & Andrés Velasco, 2012. "Financial Intermediation, Exchange Rates, and Unconventional Policy in an Open Economy," NBER Working Papers 18431, National Bureau of Economic Research, Inc.
  16. Eaton, Jonathan & Gersovitz, Mark, 1981. "Debt with Potential Repudiation: Theoretical and Empirical Analysis," Review of Economic Studies, Wiley Blackwell, vol. 48(2), pages 289-309, April.
  17. Krusell, Per, 2002. "Time-consistent redistribution," European Economic Review, Elsevier, vol. 46(4-5), pages 755-769, May.
  18. Paul Krugman, 1999. "Balance Sheets, the Transfer Problem, and Financial Crises," International Tax and Public Finance, Springer, vol. 6(4), pages 459-472, November.
  19. Kim, Sunghyun Henry & Kollmann, Robert & Kim, Jinill, 2010. "Solving the incomplete market model with aggregate uncertainty using a perturbation method," Journal of Economic Dynamics and Control, Elsevier, vol. 34(1), pages 50-58, January.
  20. Olivier Jeanne & Romain Rancière, 2011. "The Optimal Level of International Reserves For Emerging Market Countries: A New Formula and Some Applications," Economic Journal, Royal Economic Society, vol. 121(555), pages 905-930, 09.
  21. Mendoza, Enrique G, 1991. "Real Business Cycles in a Small Open Economy," American Economic Review, American Economic Association, vol. 81(4), pages 797-818, September.
  22. Reinhart, Carmen & Ostry, Jonathan, 1992. "Saving and Terms of Trade Shocks: Evidence from Developing Countries," MPRA Paper 6976, University Library of Munich, Germany.
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