The structure introduced by Armington (1969) has been used to analyze trade policy in partial and general equilibrium models. The Armington elasticities, the degree of substitution between domestic and import goods are known to be important, but are seldom estimated empirically. Therefore, we...

This article search to evaluate the impacts of the General Regimen of Social Security (RGPS) on the well-being of the society and on some macroeconomic variables. The analysis will be made by means of the numerical simulation of a model of overlapping generations, calibrated to reproduce the...