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An Estimated Stochastic General Equilibrium Model with Partial Dollarization: A Bayesian Approach

  • Paul Castillo
  • Carlos Montoro
  • Vicente Tuesta

This paper develops and estimates a dynamic stochastic general equilibrium New Keynesian model of a small open economy with partial dollarization. We use Bayesian techniques and Peruvian data to evaluate two forms of dollarization: currency substitution (CS) and price dollarization (PD). Our empirical results are as follows. First, we find that the two forms of partial dollarization are important to explain the Peruvian data. Second, models with both forms of dollarization dominate models without dollarization. Third, a counter-factual exercise shows that by eliminating both forms of partial dollarization the response of both output and consumption to a monetary policy shock doubles, making the interest rate channel of monetary policy more effective. Forth, based on the variance decomposition of the preferred model (with CS and PD), we find that demand type shocks explain almost all the fluctuation in CPI inflation, being the monetary shock the most important (39 percent). Remarkably, foreign disturbances account for 34 percent of output fluctuations.

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Paper provided by Central Bank of Chile in its series Working Papers Central Bank of Chile with number 381.

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Date of creation: Dec 2006
Date of revision:
Handle: RePEc:chb:bcchwp:381
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  1. Olivier Jean Blanchard & Jordi Galí, 2005. "Real wage rigidities and the New Keynesian model," Working Papers 05-14, Federal Reserve Bank of Boston.
  2. Pierpaolo Benigno, 2008. "Price stability with imperfect financial integration," Proceedings, Board of Governors of the Federal Reserve System (U.S.).
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  4. Robert Kollmann, 2002. "Monetary policy rules in the open economy: effects of welfare and business cycles," ULB Institutional Repository 2013/7628, ULB -- Universite Libre de Bruxelles.
  5. Fernandez-Villaverde, Jesus & Francisco Rubio-Ramirez, Juan, 2004. "Comparing dynamic equilibrium models to data: a Bayesian approach," Journal of Econometrics, Elsevier, vol. 123(1), pages 153-187, November.
  6. Lawrence J. Christiano & Martin Eichenbaum & Charles L. Evans, 2001. "Nominal rigidities and the dynamic effects of a shock to monetary policy," Working Paper 0107, Federal Reserve Bank of Cleveland.
  7. Jorge Selaive ; Vicente Tuesta, 2004. "Net Foreign Assets And Imperfect Financial Integration: An Empirical Approach," Econometric Society 2004 Latin American Meetings 90, Econometric Society.
  8. Nicoletta Batini & Joseph Pearlman & Paul Levine, 2006. "Optimal Exchange Rate Stabilization in a Dollarized Economy with Inflation Targets," Computing in Economics and Finance 2006 148, Society for Computational Economics.
  9. Pierpaolo Benigno & Michael Woodford, 2004. "Inflation Stabilization and Welfare: The Case of a Distorted Steady State," NBER Working Papers 10838, National Bureau of Economic Research, Inc.
  10. Vicente Tuesta & Pau Rabanal, 2006. "Euro-Dollar Real Exchange Rate Dynamics in an Estimated Two-Country Model: What is Important and What is Not," IMF Working Papers 06/177, International Monetary Fund.
  11. Rabanal, Pau & Tuesta, Vicente, 2010. "Euro-dollar real exchange rate dynamics in an estimated two-country model: An assessment," Journal of Economic Dynamics and Control, Elsevier, vol. 34(4), pages 780-797, April.
  12. Cochrane, John H. & Campbell, John, 1999. "By Force of Habit: A Consumption-Based Explanation of Aggregate Stock Market Behavior," Scholarly Articles 3119444, Harvard University Department of Economics.
  13. Alejandro Justiniano & Bruce Preston, 2009. "Can structural small open economy models account for the influence of foreign disturbances?," Working Paper Series WP-09-19, Federal Reserve Bank of Chicago.
  14. Paúl Castillo & Alberto Humala & Vicente Tuesta, 2012. "Regime shifts and inflation uncertainty in Peru," Journal of Applied Economics, Universidad del CEMA, vol. 0, pages 71-87, May.
  15. Bianca De Paoli, 2004. "Monetary Policy and Welfare in a Small Open Economy," CEP Discussion Papers dp0639, Centre for Economic Performance, LSE.
  16. Rabanal, Pau & Rubio-Ramirez, Juan F., 2005. "Comparing New Keynesian models of the business cycle: A Bayesian approach," Journal of Monetary Economics, Elsevier, vol. 52(6), pages 1151-1166, September.
  17. Castillo, Paul & Montoro, Carlos & Tuesta, Vicente, 2007. "Hechos estilizados de la economía peruana," Revista Estudios Económicos, Banco Central de Reserva del Perú, issue 14, pages 33-75.
  18. Humala, Alberto, 2007. "Expectativas de depreciación y diferencial de tasas de interés: ¿Hay regímenes cambiantes? El caso de Perú," Revista Estudios Económicos, Banco Central de Reserva del Perú, issue 14, pages 77-106.
  19. Pau Rabanal & Vicente Tuesta, 2013. "Nontradable Goods and the Real Exchange Rate," Open Economies Review, Springer, vol. 24(3), pages 495-535, July.
  20. Castillo, Paul & Montoro, Carlos & Tuesta, Vicente, 2009. "Un modelo de equilibrio general con dolarización para la economía peruana," Revista Estudios Económicos, Banco Central de Reserva del Perú, issue 17, pages 9-50.
  21. Schmitt-Grohe, Stephanie & Uribe, Martin, 2003. "Closing small open economy models," Journal of International Economics, Elsevier, vol. 61(1), pages 163-185, October.
  22. Camilo E Tovar, 2005. "The mechanics of devaluations and the output response in a DSGE model: how relevant is the balance sheet effect?," BIS Working Papers 192, Bank for International Settlements.
  23. Calvo, Guillermo A., 1983. "Staggered prices in a utility-maximizing framework," Journal of Monetary Economics, Elsevier, vol. 12(3), pages 383-398, September.
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