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Optimal policy for macro-financial stability

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Author Info

  • Gianluca Benigno
  • Huigang Chen
  • Chris Otrok
  • Alessandro Rebucci
  • Eric Young

Abstract

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 make r 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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File URL: http://eprints.lse.ac.uk/51519/
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Bibliographic Info

Paper provided by London School of Economics and Political Science, LSE Library in its series LSE Research Online Documents on Economics with number 51519.

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Length: 50 pages
Date of creation: 2012
Date of revision:
Handle: RePEc:ehl:lserod:51519

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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. 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.
  3. 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.
  4. 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.
  5. Jonathan David Ostry & Carmen Reinhart, 1991. "Private Saving and Terms of Trade Shocks," IMF Working Papers 91/100, International Monetary Fund.
  6. 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.
  7. Guillermo A. Calvo & Alejandro Izquierdo & Luis Fernando Mejía, 2008. "Systemic Sudden Stops: The Relevance of Balance-Sheet Effects and Financial Integration," IDB Publications 6747, Inter-American Development Bank.
  8. 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.
  9. Kehoe, Timothy J & Levine, David K, 1993. "Debt-Constrained Asset Markets," Review of Economic Studies, Wiley Blackwell, vol. 60(4), pages 865-88, October.
  10. Timothy J. Kehoe & Kim J. Ruhl, 2008. "Are Shocks to the Terms of Trade Shocks to Productivity?," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 11(4), pages 804-819, October.
  11. Enrique Mendoza & Javier Bianchi, 2010. "Overborrowing, financial crises and ‘macro-prudential’ taxes," Proceedings, Federal Reserve Bank of San Francisco, issue Oct.
  12. Paul Krugman, 1999. "Balance Sheets, the Transfer Problem, and Financial Crises," International Tax and Public Finance, Springer, vol. 6(4), pages 459-472, November.
  13. Adam, Klaus & Billi, Roberto M., 2004. "Optimal monetary policy under commitment with a zero bound on nominal interest rates," Working Paper Series 0377, European Central Bank.
  14. Enrique G. Mendoza, 2010. "Sudden Stops, Financial Crises, and Leverage," American Economic Review, American Economic Association, vol. 100(5), pages 1941-66, December.
  15. Javier Bianchi, 2010. "Overborrowing and Systemic Externalities in the Business Cycle," 2010 Meeting Papers 96, Society for Economic Dynamics.
  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. 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.
  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. 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.
  20. Krusell, Per, 2002. "Time-consistent redistribution," European Economic Review, Elsevier, vol. 46(4-5), pages 755-769, May.
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Blog mentions

As found by EconAcademics.org, the blog aggregator for Economics research:
  1. Optimal Policy for Macro-Financial Stability
    by Christian Zimmermann in NEP-DGE blog on 2012-11-16 15:36:00
Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.
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Cited by:
  1. 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.
  2. Bacchetta, P. & Benhima, K. & Kalantzis, Y., 2012. "Capital Controls with International Reserve Accumulation: Can this Be Optimal?," Working papers 406, Banque de France.
  3. Beck, Thorsten & Colciago, Andrea & Pfajfar, Damjan, 2014. "The role of financial intermediaries in monetary policy transmission," Journal of Economic Dynamics and Control, Elsevier, vol. 43(C), pages 1-11.
  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. de la Torre, Augusto & Ize, Alain, 2013. "The foundations of macroprudential regulation : a conceptual roadmap," Policy Research Working Paper Series 6575, The World Bank.

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