Fiscal sustainability is a central topic for most of the transition economics of Eastern Europe. This paper focuses on a particular country : Poland. The main purpose is to investigate, empirically, whether the post-transition fiscal policy is consistent with the intertemporal budget constraint,...

In order to study the macroeconomic effects of public finances, we construct a computable general equilibrium model with overlapping generations, endogenous growth and endogenous retirement age. We calibrate this model on Belgian data. We show that it is able to replicate the observed increase...

In order to help in designing an accurate pension reform, we determine the optimal resource allocation in an endogenous fertility model generating a demographic transition. Extending Samuelson’s (1975) work in such a setting, we analyze the problem of the interiority of the optimal solution...