PhD Economics, University of Manchester, 1985
MA Economics, University of Manchester, 1980 (with Distinction)
BA Economics and Econometrics, University of Manchester, 1979 (with Honors)
Costas is a Research Fellow of the Institute. He is also Professor of Economics at Yale University and Visiting Professor at University College London. His research interests are Econometrics, Public policy, Labor economics, Economics of education, Microeconometrics, Evaluation of public policy, Household behavior, Retirement and pensions, Income distribution, Consumption, Demand analysis, Investment and Development economics.