W Erwin Diewert

W Erwin Diewert is a Professor Emeritus in the Department of Economics at The University of British Columbia. He has been affiliated with the Vancouver School of Economics since 1970. His research focuses on measurement and well-being economics, including topics such as price measurement, productivity, and index number theory. He also holds a part-time appointment at the School of Economics, University of New South Wales. His current projects include studies on the measurement of house prices, capital and income, and the treatment of seasonal prices in a consumer price index. His work has contributed significantly to the field of economic measurement and policy analysis.

W. Erwin Diewert is a Professor of Economics at the University of British Columbia and the University of New South Wales, specializing in productivity measurement, duality theory, flexible functional forms, index number theory, and hedonic regressions. His research explores the economic theory of index numbers, the measurement of input, output, and productivity, and the application of duality theory to microeconomic theory. Diewert has contributed significantly to the development of superlative index numbers, exact and multilateral comparisons of productivity, and the analysis of functional forms for profit and transformation functions. His work also addresses aggregation problems in capital measurement and the decomposition of cost function deviations into technical and allocative efficiency.