Professor, Princeton University and NBER
2006 - Present: Professor of Economics, Princeton University
1997 - 2006: Professor of Economics, London School of Economics
Publications: "A Model of Job and Worker Flow," with Ricardo Lagos in JPE (2007),
"Credit Cycles," with John Moore in JPE (1997),
"On Money as a Medium of Exchange," with Randall Wright in JPE (1989).
"Monopolistic Competition and the Effects of Aggregate Demand," with Olivier Blanchard in AER (1987).