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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
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Web page: http://www.EconomicDynamics.org/society.htm
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  1. Christopher Otrok & Gianluca Benigno & Huigang Chen & Alessandro Rebucci & Eric R. Young, 2012. "Capital Controls or Exchange Rate Policy? A Pecuniary Externality Perspective," Working Papers 1209, Department of Economics, University of Missouri.
  2. Enrique Mendoza & Javier Bianchi, 2010. "Overborrowing, financial crises and ‘macro-prudential’ taxes," Proceedings, Federal Reserve Bank of San Francisco, issue Oct.
  3. Wilbur John Coleman II, 1989. "Equilibrium in a production economy with an income tax," International Finance Discussion Papers 366, Board of Governors of the Federal Reserve System (U.S.).
  4. Gianluca Benigno & Huigang Chen & Christopher Otrok & Alessandro Rebucci & Eric R. Young, 2010. "Financial Crises and Macro-Prudential Policies," CEP Discussion Papers dp1032, Centre for Economic Performance, LSE.
  5. Guillermo A. Calvo & Alejandro Izquierdo & Luis Fernando Mejía, 2008. "Systemic Sudden Stops: The Relevance of Balance-Sheet Effects and Financial Integration," Research Department Publications 4581, Inter-American Development Bank, Research Department.
  6. Braggion, Fabio & Christiano, Lawrence J. & Roldos, Jorge, 2009. "Optimal monetary policy in a [`]sudden stop'," Journal of Monetary Economics, Elsevier, vol. 56(4), pages 582-595, May.
  7. Javier Bianchi, 2010. "Overborrowing and Systemic Externalities in the Business Cycle," 2010 Meeting Papers 96, Society for Economic Dynamics.
  8. Philip R. Lane & Gian Maria Milesi-Ferretti, 2006. "The External Wealth of Nations Mark II: Revised and Extended Estimates of Foreign Assets and Liabilities,1970–2004," The Institute for International Integration Studies Discussion Paper Series iiisdp126, IIIS.
  9. Reinhart, Carmen & Ostry, Jonathan, 1991. "Private Saving and Terms of Trade Shocks," MPRA Paper 13716, University Library of Munich, Germany.
  10. 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.
  11. Paul Krugman, 1999. "Balance Sheets, the Transfer Problem, and Financial Crises," International Tax and Public Finance, Springer, vol. 6(4), pages 459-472, November.
  12. Jeanne, Olivier & Rancière, Romain, 2008. "The Optimal Level of International Reserves For Emerging Market Countries: A New Formula and Some Applications," CEPR Discussion Papers 6723, C.E.P.R. Discussion Papers.
  13. 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.
  14. Timothy J Kehoe & David K Levine, 1993. "Debt Constrained Asset Markets," Levine's Working Paper Archive 1276, David K. Levine.
  15. Enrique G. Mendoza, 2010. "Sudden Stops, Financial Crises, and Leverage," American Economic Review, American Economic Association, vol. 100(5), pages 1941-66, December.
  16. 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.
  17. Timothy J. Kehoe & Kim J. Ruhl, 2007. "Are shocks to the terms of trade shocks to productivity?," Staff Report 391, Federal Reserve Bank of Minneapolis.
  18. 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.
  19. 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.
  20. 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.
  21. Krusell, Per, 2002. "Time-consistent redistribution," European Economic Review, Elsevier, vol. 46(4-5), pages 755-769, May.
  22. 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.
  23. 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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