Rebeca Echavarri Public University of Navarre; University of Padua and CSC (Cambridge University)   Public University of Navarre Economics Department Campus Arrosadia Pamplona, Navarra 31006 Spain   rebeca.echavarri@unavarra.es   http://www.seedresearchgroup.net       Primary Research Focus: Development issues, Individual Decision, Social choice   JEL Areas: D6 : Welfare Economics: General E1 : General Aggregative Models: General