When the 12 District Banks of the Federal Reserve System opened their doors for business on November 16, 1914, few observers could have foreseen the Fed's present role as a major, if not dominant, player in U. S. and world economic policymaking. After all, two previous attempts to create a central bank in this country had ended in failure. Moreover, much of the economic theory and institutional structure that have given rise to monetary policy's influence in recent years were not yet in place. Indeed, it would take the Fed more than 20 years to learn (by accident ) the power of open market...

These proceedings, from a conference held at the Federal Reserve Bank of St. Louis on October 17-18, 1991, attempted to layout what we currently know about aggregate economic fluctuations. Identifying what we know inevitably reveals what we do not know about such fluctuations as well. From the vantage point of where the conference's participants view our current understanding to be, these proceedings can be seen as suggesting an agenda for further research. The conference was divided into five sections. It began with the formu lation of an empirical definition of the "business cycle" and a...