Affiliation: | (1) Department of Economics and GREQAM, University of Warwick, Coventry, CV4 7AL, United Kingdom;(2) Département de Sciences Economiques and CIREQ, Université de Montréal, Montréal, QC H3C 3J7, Canada;(3) Department of Economics, University of British Columbia, Vancouver, BC V6T 1Z1, Canada |