Affiliation: | 1. University of Eastern Piedmont, DiGSPES, Via Cavour 84, 15100, Alessandria, AL, Italy 2. Department of Economics and Statistics “Cognetti de Martiis”, University of Torino, Lungo Dora Siena, 100, 10153, Turin, TO, Italy 3. CeRP - Collegio Carlo Alberto, Moncalieri, Italy
|