the source. Reconstructing Macroeconomic Theory to Manage Economic Policy

This essay was prepared for an event honoring Jean-Paul Fitoussi, to whom it owes an enormous intellectual debt. I should also acknowledge helpful discussions with Rob Johnson and my long-term collaborator, Bruce Greenwald. Financial support from INET is gratefully acknowledged. Research and editorial assistance was provided by Eamon Kircher-Allen and Sandesh Dhungana. The views expressed herein are those of the author and do not necessarily reflect the views of the National Bureau of Economic Research. NBER working papers are circulated for discussion and comment purposes. They have not been peer-reviewed or been subject to the review by the NBER Board of Directors that accompanies official NBER publications