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Optimal Policy for Macro-Financial Stability

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  • Gianluca Benigno
  • Huigang Chen
  • Christopher Otrok
  • Alessandro Rebucci

    ()

  • Eric Young

Abstract

This paper studies whether policymakers should wait to intervene until a financial crisis strikes or rather act in a preemptive manner. This question is examined 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, the paper shows 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, the paper shows 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 the model, it is found that, if the policy tools are constrained so that the first best cannot be achieved and the policymaker has access to only one tax instrument, it is always desirable to intervene before the crisis regardless of the instrument used. If, however, the policymaker has access to two instruments, it is optimal to act only during crisis times. Third and finally, the paper proposes a computational algorithm to solve Markov-perfect optimal policy for problems in which the policy function is not differentiable.

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Bibliographic Info

Paper provided by Inter-American Development Bank, Research Department in its series Research Department Publications with number 4818.

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Date of creation: Dec 2012
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Handle: RePEc:idb:wpaper:4818

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  1. Kehoe, Timothy J & Levine, David K, 1993. "Debt-Constrained Asset Markets," Review of Economic Studies, Wiley Blackwell, vol. 60(4), pages 865-88, October.
  2. Bianchi, Javier, 2009. "Overborrowing and Systemic Externalities in the Business Cycle," MPRA Paper 16270, University Library of Munich, Germany.
  3. 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.
  4. Javier Bianchi & Enrique G. Mendoza, 2010. "Overborrowing, Financial Crises and 'Macro-prudential' Taxes," NBER Working Papers 16091, National Bureau of Economic Research, Inc.
  5. Benigno, Gianluca & Chen, Huigang & Otrok, Christopher & Rebucci, Alessandro & Young, Eric R, 2011. "Financial Crisis and Macro-Prudential Policies," CEPR Discussion Papers 8175, C.E.P.R. Discussion Papers.
  6. Gianluca Benigno & Huigang Chen & Christopher Otrok & Alessandro Rebucci & Eric R. Young, 2012. "Capital Controls or Exchange Rate Policy? A Pecuniary Externality Perspective," CEP Discussion Papers dp1160, Centre for Economic Performance, LSE.
  7. Klaus Adam & Roberto M. Billi, 2005. "Discretionary monetary policy and the zero lower bound on nominal interest rates," Research Working Paper RWP 05-08, Federal Reserve Bank of Kansas City.
  8. Krusell, Per, 2002. "Time-consistent redistribution," European Economic Review, Elsevier, vol. 46(4-5), pages 755-769, May.
  9. 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.
  10. 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.
  11. Lane, Philip R. & Milesi-Ferretti, Gian Maria, 2006. "The External Wealth of Nations Mark II: Revised and Extended Estimates of Foreign Assets and Liabilities, 1970-2004," CEPR Discussion Papers 5644, C.E.P.R. Discussion Papers.
  12. Reinhart, Carmen & Ostry, Jonathan, 1991. "Private Saving and Terms of Trade Shocks," MPRA Paper 13716, University Library of Munich, Germany.
  13. Jonathan D. Ostry & Carmen M. Reinhart, 1992. "Private Saving and Terms of Trade Shocks: Evidence from Developing Countries," IMF Staff Papers, Palgrave Macmillan, vol. 39(3), pages 495-517, September.
  14. Braggion, F. & Christiano, L. & Roldos, J., 2007. "Optimal Monetary Policy in a Sudden Stop," Open Access publications from Tilburg University urn:nbn:nl:ui:12-3107633, Tilburg University.
  15. 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.
  16. 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.
  17. Enrique G. Mendoza, 2010. "Sudden Stops, Financial Crises, and Leverage," American Economic Review, American Economic Association, vol. 100(5), pages 1941-66, December.
  18. 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.
  19. 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.
  20. Paul Krugman, 1999. "Balance Sheets, the Transfer Problem, and Financial Crises," International Tax and Public Finance, Springer, vol. 6(4), pages 459-472, November.
  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.
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  1. Optimal Policy for Macro-Financial Stability
    by Christian Zimmermann in NEP-DGE blog on 2012-11-16 15:36:00
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Cited by:
  1. Philippe Bacchetta & Kenza Benhima & Yannick Kalantzis, 2011. "Capital Controls with International Reserve Accumulation: Can this Be Optimal ?," Cahiers de Recherches Economiques du Département d'Econométrie et d'Economie politique (DEEP) 11.08, Université de Lausanne, Faculté des HEC, DEEP.
  2. Thorsten Beck & Andrea Colciago & Damjan Pfajfar, 2014. "The role of financial intermediaries in monetary policy transmission," DNB Working Papers 420, Netherlands Central Bank, Research Department.
  3. de la Torre, Augusto & Ize, Alain, 2013. "The foundations of macroprudential regulation : a conceptual roadmap," Policy Research Working Paper Series 6575, The World Bank.
  4. Mitsuru Katagiri & Ryo Kato & Takayuki Tsuruga, 2013. "Prudential Capital Controls: The Impact of Different Collateral Constraint Assumptions," Discussion papers e-12-014, Graduate School of Economics Project Center, Kyoto University.
  5. 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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