1. Economics, University of California—Merced , 5200 North Lake Rd ., Merced, CA 95343, USA
2. Economics and Economic History, Universidad de Sevilla , Ramon y Cajal 1 , 41018 Sevilla, Spain
3. Economics, Universidad Loyola Andalucía , Avda. de las Universidades s/n, Dos Hermanas , 41704 Sevilla, Spain