First Author:   Alessandro Lanteri Dep. Public Policy and Public Choice, Fac. Political Science, University of Eastern Piedmont at Alessandria alessandro@lanteri.org   via Cavour 84 Alessandria, 15100, Italy       http://www.sp.unipmn.it/php/showHomePage.php?who=lanteri Second Author: Marco Novarese Dep. Legal and Economic Studies, Fac. Law, University of Eastern Piedomont at Alessandria novarese@unipmn.it         http://www.novarese.org/