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Camila Casas, Mr. Federico J Diez, Ms. Gita Gopinath, and Pierre-Olivier Gourinchas
Most trade is invoiced in very few currencies. Despite this, the Mundell-Fleming benchmark and its variants focus on pricing in the producer’s currency or in local currency. We model instead a ‘dominant currency paradigm’ for small open economies characterized by three features: pricing in a dominant currency; pricing complementarities, and imported input use in production. Under this paradigm: (a) the terms-of-trade is stable; (b) dominant currency exchange rate pass-through into export and import prices is high regardless of destination or origin of goods; (c) exchange rate pass-through of non-dominant currencies is small; (d) expenditure switching occurs mostly via imports, driven by the dollar exchange rate while exports respond weakly, if at all; (e) strengthening of the dominant currency relative to non-dominant ones can negatively impact global trade; (f) optimal monetary policy targets deviations from the law of one price arising from dominant currency fluctuations, in addition to the inflation and output gap. Using data from Colombia we document strong support for the dominant currency paradigm.
Ms. Emine Boz, Ms. Gita Gopinath, and Mikkel Plagborg-Møller
We document that the U.S. dollar exchange rate drives global trade prices and volumes. Using a newly constructed data set of bilateral price and volume indices for more than 2,500 country pairs, we establish the following facts: 1) The dollar exchange rate quantitatively dominates the bilateral exchange rate in price pass-through and trade elasticity regressions. U.S. monetary policy induced dollar fluctuations have high pass-through into bilateral import prices. 2) Bilateral non-commodities terms of trade are essentially uncorrelated with bilateral exchange rates. 3) The strength of the U.S. dollar is a key predictor of rest-of-world aggregate trade volume and consumer/producer price inflation. A 1 percent U.S. dollar appreciation against all other currencies in the world predicts a 0.6–0.8 percent decline within a year in the volume of total trade between countries in the rest of the world, controlling for the global business cycle. 4) Using a novel Bayesian semiparametric hierarchical panel data model, we estimate that the importing country’s share of imports invoiced in dollars explains 15 percent of the variance of dollar pass-through/elasticity across country pairs. Our findings strongly support the dominant currency paradigm as opposed to the traditional Mundell-Fleming pricing paradigms.
Mr. Charalambos G Tsangarides, Mr. Carlo Cottarelli, Mr. Gian M Milesi-Ferretti, and Mr. Atish R. Ghosh


Exchange rate analysis lies at the center of the IMF's surveillance mandate and policy advice, as well as in the design of IMF-supported programs, and IMF staff are called upon to analyze a wide variety of exchange rate issues in various member countries, both small and large, from the least economically developed to the most advanced, and from those whose currencies circulate only locally to those whose currencies are of global importance. Each year, IMF staff produce dozens of studies on exchange rate issues, some published by the IMF, others in various professional journals or books. This book aims to give a flavor of the topics the IMF staff typically examine under the broad rubric of exchange rate analysis, encompassing several topics: determination and impact of the real exchange rate, assessing competitiveness and the equilibrium real exchange rate in specific countries or country groups, and considerations in the choice of exchange rate regime.

International Monetary Fund
This Selected Issues paper examines the causes of recent inflation in Ethiopia and discusses possible policy responses. Inflation in Ethiopia has reached a historical peak. Following a drought-related surge of food prices in 2003, it receded to single digits but soon turned back up in 2004 and gradually increased. The paper provides an overview of recent inflation developments, and explores the factors contributing to recent inflation, based on fresh studies and the review of current monetary and external developments. The paper also lays out cross-country analysis with countries experiencing high inflation.
International Monetary Fund
This paper discusses key findings of the Fifth Review Under the Poverty Reduction and Growth Facility for Georgia. Despite economic sanctions imposed by Russia in 2006, Georgia’s economic growth continues to be strong, and inflation has declined. Growth is expected to reach 9 percent in 2006 and to slow only moderately to 7–8 percent in 2007. Inflation was back into single digits by end-2006. The 2007 budget is an appropriate compromise between the country’s pressing spending needs and the goal of macroeconomic stability.