Robert James Hodrick (born September 12, 1950), is a U.S. economist specialized in International Finance. AB, Princeton, 1972; PhD, University of Chicago, 1976.[1] Until 1983, he served as a professor at Carnegie-Mellon University, where he worked jointly with Edward C. Prescott on business cycle, and developed the Hodrick-Prescott filter to distinguish trends from cyclical fluctuations. He taught at Northwestern University and joined Columbia University in 1996.