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Monetary Rules for Commodity Traders

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  • Luis Catão
  • Roberto Chang

Abstract

We develop a dynamic model of a small open economy that trades commodities whose world prices are subject to realistic random fluctuations, and study the implications of monetary policy alternatives. The model is much more flexible than those of previous studies, especially in allowing to compare perfect risk sharing against financial autarky. In each case we show how to derive analytically optimal Ramsey allocations and flexible price allocations, and hence to examine the crucial role of behavioral elasticities, production structure, and capital mobility in determining the welfare properties of different monetary choices. Applying these insights to a calibrated example, we find that the impulse responses associated with PPI targeting track flexible price allocations closely, but can diverge greatly from the Ramsey allocations, especially when risk sharing is perfect and the elasticity of demand for exports of a home aggregate is high. In those cases, policies that stabilize the real exchange rate more than PPI targeting, such as targeting expected inflation, deliver higher welfare. But PPI targeting is the clear winner under portfolio autarky.

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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 18536.

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Date of creation: Nov 2012
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Publication status: published as Luis Cat�o & Roberto Chang, 2013. "Monetary Rules for Commodity Traders," IMF Economic Review, Palgrave Macmillan, vol. 61(1), pages 52-91, April.
Handle: RePEc:nbr:nberwo:18536

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References

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  1. Luis Catão & Roberto Chang, 2010. "World Food Prices and Monetary Policy," NBER Working Papers 16563, National Bureau of Economic Research, Inc.
  2. Constantino Hevia & Juan Pablo Nicolini, 2013. "Optimal devaluations," Working Papers 702, Federal Reserve Bank of Minneapolis.
  3. De Paoli, Bianca, 2009. "Monetary policy and welfare in a small open economy," Journal of International Economics, Elsevier, vol. 77(1), pages 11-22, February.
  4. Martin Bodenstein & Christopher J. Erceg & Luca Guerrieri, 2008. "Optimal monetary policy with distinct core and headline inflation rates," International Finance Discussion Papers 941, Board of Governors of the Federal Reserve System (U.S.).
  5. Harrigan, James, 1993. "OECD imports and trade barriers in 1983," Journal of International Economics, Elsevier, vol. 35(1-2), pages 91-111, August.
  6. Jens Sondergaard & Pietro Cova, 2004. "When Should Monetary Policy Target The Exchange Rate?," Royal Economic Society Annual Conference 2004 51, Royal Economic Society.
  7. David S. Jacks, Kevin H. O'Rourke and Jeffrey G. Williamson, 2009. "Commodity Price Volatility and World Market Integration since 1700," The Institute for International Integration Studies Discussion Paper Series iiisdp280, IIIS.
  8. Stephanie Schmitt-Grohé & Martín Uribe, 2007. "Optimal simple and implementable monetary and fiscal rules," Working Paper 2007-24, Federal Reserve Bank of Atlanta.
  9. Jordi Gal� & Tommaso Monacelli, 2005. "Monetary Policy and Exchange Rate Volatility in a Small Open Economy," Review of Economic Studies, Oxford University Press, vol. 72(3), pages 707-734.
  10. Gianluca Benigno & Pierpaolo Benigno, 2003. "Price Stability in Open Economies," Review of Economic Studies, Wiley Blackwell, vol. 70(4), pages 743-764, October.
  11. David M Arseneau & Sylvain Leduc, 2013. "Commodity Price Movements in a General Equilibrium Model of Storage," IMF Economic Review, Palgrave Macmillan, vol. 61(1), pages 199-224, April.
  12. Stephanie Schmitt-Grohe & Martin Uribe, 2002. "Solving Dynamic General Equilibrium Models Using a Second-Order Approximation to the Policy Function," NBER Technical Working Papers 0282, National Bureau of Economic Research, Inc.
  13. Lutz Kilian, 2009. "Not All Oil Price Shocks Are Alike: Disentangling Demand and Supply Shocks in the Crude Oil Market," American Economic Review, American Economic Association, vol. 99(3), pages 1053-69, June.
  14. Faia, Ester & Monacelli, Tommaso, 2006. "Optimal Monetary Policy in a Small Open Economy with Home Bias," CEPR Discussion Papers 5522, C.E.P.R. Discussion Papers.
  15. Huiwen Lai & Daniel Trefler, 2002. "The Gains from Trade with Monopolistic Competition: Specification, Estimation, and Mis-Specification," NBER Working Papers 9169, National Bureau of Economic Research, Inc.
  16. Monacelli, Tommaso, 2012. "Is Monetary Policy in an Open Economy Fundamentally Different?," CEPR Discussion Papers 9087, C.E.P.R. Discussion Papers.
  17. Cashin, Paul & Cespedes, Luis F. & Sahay, Ratna, 2004. "Commodity currencies and the real exchange rate," Journal of Development Economics, Elsevier, vol. 75(1), pages 239-268, October.
  18. Heckman, James J, 1993. "What Has Been Learned about Labor Supply in the Past Twenty Years?," American Economic Review, American Economic Association, vol. 83(2), pages 116-21, May.
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Cited by:
  1. Prasad, Eswar, 2013. "Distributional Effects of Macroeconomic Policy Choices in Emerging Market Economies," IZA Discussion Papers 7777, Institute for the Study of Labor (IZA).
  2. Luis Catão & Roberto Chang, 2013. "World Food Prices, the Terms of Trade-Real Exchange Rate Nexus, and Monetary Policy," IMF Working Papers 13/114, International Monetary Fund.
  3. Leung, Charles Ka Yui & Shi, Song & Tang, Edward Chi Ho, 2013. "Commodity house prices," MPRA Paper 49489, University Library of Munich, Germany.
  4. Barbara Rossi, 2012. "The changing relationship between commodity prices and equity prices in commodity exporting," Economics Working Papers 1405, Department of Economics and Business, Universitat Pompeu Fabra.

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