Paul Anand is Professor of Economics, Decision Sciences and Philosophy at the Open University, Research Associate in the Health Economics Research Centre at Oxford University and Research Associate at the LSE Centre for Philosophy in the Natural and Social Sciences. He is author of the monograph Foundations of Rational Choice under Risk (Oxford University Press), editor of the Oxford Handbook of Rational and Social Choice and director of a project that has developed datasets to operationalize the capabilities approach to welfare economics.

Aditi Bhattacharyya is an Assistant Professor at the Department of Economics and International Business, Sam Houston State University. She earned her Ph.D. in Economics from University of California, Riverside. Her research interests include theory of choice, productivity and efficiency analysis, and application of parametric and nonparametric econometrics in microeconomic issues.

Andrew Caplin is Professor of Economics at New York University. He has published research in many areas: in macroeconomics, he pioneered in modelling state-dependent pricing. In IO and political economy, he developed models of multidimensional competition. In economics and psychology, he developed models based on emotions. He also developed the first axiomatic models in neuroscience, and has devised novel theoretically founded survey methods.

Lucio Esposito is a Lecturer in Development Economics in the School of International Development, University of East Anglia. His research focuses on poverty, inequality, data collection methodologies and the application of Amartya Sen's Capability Approach to the study of literacy. His work has appeared in a number of journals including the Journal of Public Economics, Journal of Economic Behavior and Organization and Social Choice and Welfare.

Mattia Gallotti is a doctoral candidate at the University of Exeter with a thesis on the naturalization of collective intentionality. In 2008 and 2009 he held visiting positions in philosophy at UC Berkeley and in psychology at the Max Planck Institute for Evolutionary Anthropology. His scholarly interests include philosophical issues arising from research in the cognitive foundations of human sociality.

Johan E. Gustafsson is a Ph.D. student at the Royal Institute of Technology. He has published on decision theory, personal identity, and disagreement.

Daniel M. Hausman is the Herbert A. Simon Professor at the University of Wisconsin-Madison and one of the founding editors of this journal. He is a fellow of the American Academy of Arts and Sciences and author of a number of works at the boundaries between economics and philosophy. He is currently working on a book on preferences.

Robert Huseby is a postdoctoral Fellow at the Department of Political Science, an associated member of the Ethics Programme, and an affiliate researcher at the Centre for the Study of Mind in Nature, at the University of Oslo. His main research interests are distributive justice, climate justice, and consequentialist and non-consequentialist ethics.

Jaakko Kuorikoski is a postdoctoral researcher in the Trends and Tensions in Intellectual Integration project at the University of Helsinki, where he also did his Ph.D. work on model-based explanations in the social sciences. He has published on models, simulations, mechanisms and explanation, especially in relation to economics and other social sciences.

Peter Lambert is a Professor of Economics at the University of Oregon, an editor of Social Choice and Welfare, and editor of the Rediscovered Classics section of the Journal of Economic Inequality. His work focuses on issues in the distribution and redistribution of income. His recent articles have appeared in Review of Income and Wealth, Journal of Public Economics, Journal of Health Economics and Social Choice and Welfare.

Kasper Lippert-Rasmussen is Professor of Political Theory at the University of Aarhus, Denmark. He is an associate editor of Ethics. He has published work within moral and political philosophy in journals such as Philosophy & Public Affairs, Ethics, Journal of Political Philosophy and Philosophical Studies. Together with Nils Holtug he edited Egalitarianism: New Essays on the Nature and Value of Equality (Oxford University Press, 2006). Presently, he is working on a book-length manuscript about the concept and (im)morality of discrimination (under contract with Oxford University Press).

Prasanta K. Pattanaik is Emeritus Professor at the Department of Economics, University of California, Riverside. He has published several books and papers. He is currently engaged in research on welfare economics, the theory of social choice, the theory of rational choice, and the measurement of living standards. He is a Fellow of the Econometric Society.

Yongsheng Xu is Professor of Economics at Andrew Young School of Policy Studies, Georgia State University. He has published papers in the theory of individual and social choice and in welfare economics. His current research interests include welfare economics, axiomatic bargaining theory, rational choice theory, and measurements of living standards and fiscal decentralization.