In many countries the fiscal tension associated with the global financial crisis brings about the discussion about unprivatizing the social security system. This paper employs an OLG model to assess ex ante the effects of such changes to the pension reform in Poland from 1999 as implemented in...

Pension system reforms involve fiscal consequences. In practice, a variety of fiscal closures may be implemented, while not all of them involve the same extent of distortions. This paper develops an overlapping generations model to analyze the case of a shift from pay-as-you-go defined benefit...

The objective of this paper is to analyze the welfare effects of raising the retirement age. With aging populations, in many countries de iure retirement age has been raised. With a standard assumption that individuals prefer leisure to work, such policy necessitates some welfare deterioration....