Leading American and European economists discuss monetary and fiscal policy from an international macroeconomic perspective in a companion volume to the NBER Macroeconomics Annual: cutting-edge research on macroeconomic issues and topical questions concerning the eastward expansion of the European Monetary Union.The NBER International Seminar on Macroeconomics brings together leading American and European economists to discuss a broad range of current issues in global macroeconomics. An international companion to the more American-focused NBER Macroeconomics Annual, the 2005 volume first explores macroeconomic issues of interest to all advanced economies, then analyzes topical questions concerning the eastward expansion of the European Monetary Union.