Antonio Villar is Professor of Economics at the Universidad Pablo de Olavide (Seville), where he arrived in 2005 from the University of Alicante. He is also Senior Researcher at the Ivie (Valencian Institute for Economic Research). He got a Ph.D. at the University of Oxford in 1990, after a B.A. in Economics (University of Valencia, 1978) and a previous Doctorate (University of Alicante, 1983). He has been Visiting Professor at Stanford University, the European University Institute (Florence, Italy), the Institute for Advanced Studies (Vienna), Senior Associate at St. Antony’s College, University of Oxford, and Visiting Researcher at the University of York, among others. During 2015/2016 he held a Thomas J. Alexander Fellowship at the OECD/EDU in Paris. In 2010 he got the Andalusian Prize for distinguished research in Social Sciences and Humanities. Hisresearch activity concentrates on Microeconomic Theory and its applications. In particular: (a) Welfare economics and social choice, including aspects of efficiency with externalities, public goods and non-convexities, distributive problems, inequality and welfare measurement, multidimensional indicators, Human Development and Economics of Education; and (b) General equilibrium, with special interest on the effects of increasing returns to scale in market economies. His latest research deals with the welfare analysis of some economic aspects that involve both private and public decisions, such as health, education and income distribution. A common theme of some of those topics is the design of multidimensional indicators and evaluation formulas capable of dealing with qualitative data. He has published 14 books and some 80 research papers.