Teresa Lloyd-braga Catolica-Lisbon, School of Business and Economics   Palma de Cima Palma de Cima Lisboa, 1649-023 Portugal   tlb@fcee.ucp.pt             JEL Areas: E6 : Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General E3 : Prices, Business Fluctuations, and Cycles: General (includes Measurement and Data)