Andrew M. Jones is Professor of Economics and Director of the Graduate Programme in Health Economics at the University of York, UK. His research is in health economics and microeconometrics, with emphasis on the determinants of health, the economics of addiction and socioeconomic inequalities in health and health care.Nigel Rice is Professor in the Centre for Health Economics at the University of York, UK.Teresa Bago d'Uva is an Assistant Professor at the Department of Applied Economics, Erasmus University, the NetherlandsSilvia Balia is an Assistant Professor in the Centre for North South Economic Research at the University of Cagliari. Italy