-Principal, 1995-present; Chief Economist, 1990-1995; Caxton Associates, LLC
-Member, Panel of Economic Advisers, Congressional Budget Office, 1984-1994
-Senior International Economist, 1971-1972; Consultant, 1972-1980; Member, Advisory Board, Office of Tax Analysis, 1986-1988; U.S. Treasury
-Visiting Scholar, Bank of Japan, 1988
-Research Associate, National Bureau of Economic Research, 1980-1986
-Associate Professor, 1976-1978; Professor of Economics, 1978-1986; Director, Institute for Economic Research, 1983-1984; University of Washington
-Consultant, International Monetary Fund, 1981-1983
-Visiting Scholar, Federal Reserve Bank of San Francisco, 1977
-Faculty, University of Wisconsin (Milwaukee), University of Virginia, University of British Columbia, 1966-1976
-Fellow, Federal Reserve Bank of Chicago, 1968-1969
B.A., economics, Trinity College (Hartford, Connecticut)
M.A., Ph.D., economics, University of Chicago