Agustín García University of Extremadura   Facultad de CC. Economicas y Empresariales Universidad de Extremadura Badajoz, 06071 España   agarcia@unex.es   http://unex.es       Primary Research Focus: macroeconomics, public economics, environmental economics   JEL Areas: E6 : Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General H6 : National Budget, Deficit, and Debt: General