Understanding the role and functions of social policy and social security systems is a key point for a discussion on reforms of the retirement systems. In this essay I describe the subject and range of social policy in the modern welfare state. The work has a descriptive character and aims at...

In this paper we consider an overlapping generations model with endogenous fertility and two-sided altruism and show the limitations of applying commonly used open loop Nash equilibrium in characterizing equilibrium transfers from parents to children in the form of bequest, and transfers from...

We study the aggregate effects of a social security reform in a large overlapping generations model where markets are incomplete and households face uninsurable idiosyncratic income shocks. We depart from the previous literature by assuming that, because of lack of commitment in the credit...

We simulate the budget of the main pension institution of the country, the Banco de Previsión Social (BPS), from 1995, the year the reform was passed, to 2050, when the new system should be mature. We perform several sensitivity analyses to evaluate which are the key exogenous variables and...

Edward P. Lazear‘s thesis that “personal accounts are more consistent with economic principles, avoid government moral hazard, and provide more security than government Social Security” is unsound. The same applies to a number of other statements that are made in the process of expounding...

I analyze simultaneous voting on the wage tax rate and investment in public education using a model with three overlapping generations and ability differences inside each cohort. Wage tax revenue finances public education and social security benefits. I derive the results both for a...

Paper presents a survey of five different approaches to retirement decision analysis. Simple life cycle labour supply model leads to a classical optimization problem of choice between work and leisure, but it is highly limited in explaining retirement decision as a static approach. Comparative...

In this paper we consider an overlapping generations model with endogenous fertility and two-sided altruism and show the limitations of applying commonly used open loop Nash equilibrium in characterizing equilibrium transfers from parents to children in the form of bequest, and transfers from...

This publication is a non-technical report prepared for Polish Ministry of Economy and Labor. The main goal is to present a comprehensive statistical and econometric analysis of employment, unemployment and participation in Poland in the period 1998-2004 and confront Polish experiences with...