Michihiro Ohyama is a professor emeritus of Keio University, Tokyo, Japan. He is the former president of the Japanese Economic Association and the Japan Society of International Economics. His major publications include "On the Stability of Generalized Metzlerian Systems," Review of Economic Studies, Vol. 39 (1972); "Trade and Welfare in General Equilibrium," Keio Economic Studies, Vol. 9 (1972); and "Market, Trade and General Equilibrium," Japanese Economic Review, Vol. 50 (1999).
Professor Ohyama conducted research at the University of New South Wales, Tel Aviv University, and the University of Minnesota. His research has ranged from general equilibrium theory to welfare economics, macroeconomics, and international economics. References to his works are found in Keio Economic Studies 42(1-2), 2005, a special issue in his honor.