Pedro Raposo Catolica Lisbon - CLSBE Universidade Católica Portuguesa   Palma de Cima Lisboa Lisbon, Lisbon 1600 Portugal   pedro.raposo.1977@gmail.com             JEL Areas: E2 : Macroeconomics: Consumption, Saving, Production, Employment, and Investment: General (includes Measurement and Data) J6 : Mobility, Unemployment, and Vacancies: General