TY - JOUR AU - Blanchard,Olivier AU - Giavazzi,Francesco AU - Sa,Filipa TI - The U.S. Current Account and the Dollar JF - National Bureau of Economic Research Working Paper Series VL - No. 11137 PY - 2005 Y2 - February 2005 UR - http://www.nber.org/papers/w11137 L1 - http://www.nber.org/papers/w11137.pdf N1 - Author contact info: Olivier J. Blanchard International Monetary Fund Economic Counsellor and Director Research Department 700 19th Street, NW Rm. 10-700 Washington DC, 20431 Tel: 202-623-7825 Fax: 202-623-7271 E-Mail: blanchar@mit.edu Francesco Giavazzi Universita' Bocconi and IGIER Via Guglielmo Rontgen, 1 Milan 20136 ITALY Tel: 0039-02-5836-3304 Fax: 0039-02-5836-3302 E-Mail: francesco.giavazzi@unibocconi.it Filipa Sa Bank of England E-Mail: fgs22@cam.ac.uk AB - There are two main forces behind the large U.S. current account deficits. First, an increase in the U.S. demand for foreign goods. Second, an increase in the foreign demand for U.S. assets. Both forces have contributed to steadily increasing current account deficits since the mid--1990s. This increase has been accompanied by a real dollar appreciation until late 2001, and a real depreciation since. The depreciation has accelerated recently, raising the questions of whether and how much more is to come, and if so, against which currencies, the euro, the yen, or the renminbi. Our purpose in this paper is to explore these issues. Our theoretical contribution is to develop a simple portfolio model of exchange rate and current account determination, and to use it to interpret the past and explore alternative scenarios for the future. Our practical conclusions are that substantially more depreciation is to come, surely against the yen and the renminbi, and probably against the euro. ER -