1. Department of Economics, University of Arkansas, Fayetteville, AR, USA
2. Department of Economics and Quantitative Methods, IÉSEG School of Management, Lille, France
3. LEM-CNRS (UMR 9221), France
4. Program in Public Health, Western Michigan University, Grand Rapids, MI, USA
5. Department of Economics and Quantitative Methods, IÉSEG School of Management, Paris La Défense Cedex, France