The goals of the annual NBER Macroeconomics Conference are to present, extend, and apply frontier work in macroeconomics and to stimulate work by macroeconomists in policy issues. Each paper in the Annual is followed by comments and discussion. The goals of the annual NBER Macroeconomics Conference are to present, extend, and apply frontier work in macroeconomics and to stimulate work by macroeconomists in policy issues. Each paper in the Annual is...