The mid-1980s began a period that might, in retrospect, be seen as the golden age of monetary policy. Worldwide inflation rates, which had come down from the high levels reached in the 1970s, were at the lowest level seen in a long time. In the real economy, low and stable inflation went along...

For some time, the use of monetary and fiscal policies to smooth business cycle fluctuations has taken a back seat to longer term objectives of restoring price stability and fiscal balance. More recently, however, weaker economic performance in some of the world’s economies, most notably in...

This article is a revised English translation of the Thunen Lecture, given at the Annual Congress of the Verein fur Socialpolitik, September 29, 2004, in Dresden, Germany.