Clarification of conceptual difficulties in allocation theory relating to externalities, public goods, and social risk. Also a continuing interest in experimental economics which dates from doctoral dissertation on the problem of choice under uncertainty. Recent efforts have been de voted to designing computer exercises for more effective teaching of difficult concepts in macroeconomics and in statistics.
Assistant Instructor, Acting Instructor, Yale University, 1959-1960, 1961-1963. Assistant Professor, Carnegie Institute, Institution Technology, 1963-1966. Visiting Assistant Professor Business Economics, Stanford University, 1966-1967.
Brookings Economics Policy Fellow, United States Bureau of the Budget, 1967-1968. Association Professor, Brandeis University, 1968-1974. Visiting Association Professor, University Essex, England, 1975-1976.
Academic Visiting, London School of Economies and Political Science, London, United Kingdom, 1983. Professor of Economics, Brandeis University, Waltham, Massachusetts, United States of America, since 1974.