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Inflation targeting rules and welfare in an asymmetric currency area

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  • Lombardo, Giovanni

Abstract

This paper studies the effect on monetary policy of a non-homogeneous degree of competition across the (two) members of a monetary union. In particular, we assess the welfare loss brought about by the use of a simple interest rate rule that does not take into account such structural differences. Our results show that, ceteris paribus, the welfare-maximizing central bank should react more aggressively to the inflation pressure generated by the more competitive economy. We extend the results of Benigno (2003) in two ways. First, we show that, if the degree of competition differs across countries, the optimal rule could involve a larger weight on the more "flexible" country. Second, we allow for a non-unitelastic demand for import. We show that this can alter Benigno's results even under asymmetric degree of competition. Our study suggests that the size of the welfare losses due to the neglect of these asymmetries crucially depends on their actual combination. Furthermore, we show that if information on the true extent of the asymmetries is incomplete, the symmetric rule could outperform the optimal rule. --

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Bibliographic Info

Paper provided by Deutsche Bundesbank, Research Centre in its series Discussion Paper Series 1: Economic Studies with number 2004,04.

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Date of creation: 2004
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Handle: RePEc:zbw:bubdp1:1545

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Keywords: currency area; asymmetries; monetary policy rules; imperfect competition; sticky prices; second-order approximation;

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Citations

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Cited by:
  1. Paolo Angelini & Paolo Del Giovane & Stefano Siviero & Daniele Terlizzese, 2008. "Monetary Policy in a Monetary Union: What Role for Regional Information?," International Journal of Central Banking, International Journal of Central Banking, vol. 4(3), pages 1-28, September.
  2. Andrzej Torój, 2010. "Rationality of Expectations: Another OCA Criterion? A DSGE Analysis," Central European Journal of Economic Modelling and Econometrics, CEJEME, vol. 2(3), pages 205-252, June.
  3. Pierre-Richard Agenor & Joshua Aizenman, 2008. "Capital Market Imperfections and the Theory of Optimum Currency Areas," NBER Working Papers 14088, National Bureau of Economic Research, Inc.
  4. Ivan Petrella & Emiliano Santoro, . "Optimal Monetary Policy with Durable Consumption Goods and Factor Demand Linkages," EPRU Working Paper Series 2009-04, Economic Policy Research Unit (EPRU), University of Copenhagen. Department of Economics, revised May 2009.
  5. Arghyrou, Michael G & Gadea, Maria Dolores, 2008. "The single monetary policy and domestic macro-fundamentals: Evidence from Spain," Cardiff Economics Working Papers E2008/23, Cardiff University, Cardiff Business School, Economics Section.
  6. Andrzej Toroj, 2011. "Competitiveness channel in Poland and Slovakia: a pre-EMU DSGE analysis," National Bank of Poland Working Papers 86, National Bank of Poland, Economic Institute.
  7. Stéphane Auray & Aurélien Eyquem, 2012. "Welfare Reversal in Monetary Union," Working Papers 2012-33, Centre de Recherche en Economie et Statistique.
  8. Sophocles N. Brissimis & Ifigeneia Skotida, 2007. "Optimal Monetary Policy in the Euro Area in the Presence of Heterogeneity," Working Papers 62, Bank of Greece.
  9. Jochen Michaelis, 2012. "Optimal Monetary Policy in a Currency Union: The Role of the Cost Channel," MAGKS Papers on Economics 201203, Philipps-Universität Marburg, Faculty of Business Administration and Economics, Department of Economics (Volkswirtschaftliche Abteilung).

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