C.O.G. Miller Distinguished Professor of Finance,
Graduate School of Business, Stanford University, 1987-.
Vice-President, Fixed Income Research, Goldman Sachs Corporation,
September, 1991 - December, 1992.
Visiting Professor, Department of Economics, University of Tokyo, 1992.
Visiting Scholar, Institute for Monetary Studies, Bank of Japan, 1988.
Professor of Economics, GSIA, Carnegie Mellon University, 1982-87.
CRSP Visiting Professor of Finance, Graduate School of Business,
Universityof Chicago, Fall 1986.
Associate Professor of Economics, GSIA, Carnegie Mellon, 1981-82.
Assistant Professor of Economics, GSIA, Carnegie Mellon, 1980-81.
Assistant Professor of Economics, University of Virginia, 1977-80.
Research Associate, National Bureau of Economic Research (since
1982)