Berta Rivera is Associate Professor of Economics at the University A Coru�a in Spain and Research Associate at the Center of Research in Economics and Health at Pompeu Fabra University.
Luis Currais is Associate Professor of Economics at the University A Coru�a in Spain and Research Associate at the Center of Research in Economics and Health at Pompeu Fabra University.
Guillem L�pez-Casasnovas is Professor of Economics and Director of the Center of Research in Economics and Health at Pompeu Fabra University, Barcelona.