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The aging process we are witnessing in the majority of developed countries is raising financial sustainability problems in the pay-as-you-go pension system. The reforms designed to re-establish the financial equilibrium of pension systems may put one of the most important objectives of these...

This paper reviews the main elements of social security reform in Brazil since 1998 and discusses areas where further policy action is yet to be taken to ensure the sustainability of the social-security system over time. Outlays on pensions paid to private-sector workers have risen as a result...

In this paper I analyse a labour market where the wage is endogenously determined according to an Efficient Bargaining process between a firm and a labour union whose members are partitioned into two social groups: the old and the young. Furthermore, I exploit the Single-Mindedness theory, which...

In this book, Peter Diamond analyzes social security as a particular example of optimal taxation theory. Assuming a world of incomplete markets and asymmetric information, he uses a variety of simple models to illuminate the economic forces that bear on specific social security policy issues....

We investigate the welfare effects of environmental tax reform, i.e. raising environmental taxes and using the proceeds to reduce distortionary taxes on labour. The framework of analysis is a small open economy with involuntary unemployment due to a rigid consumer wage. Environmental tax reform...

The pension reforms of the beginning of this century left their marks. The pension level has dropped sharply. Compared with 1989 results suggest a reduction of almost 14 percent nowadays. Further reductions are announced with the consequence of threatening old age poverty particularly for low...

This paper compares the properties of funded and pay as go pension systems. When the population is aging pay as you go systems can´t sustain a pension system. However, if taxes are used to finance part of the pensions, the pay as you go system is better in all the relevant aspects. A system...

The paper discusses the options for a reform of the German pension system using a model developed at CES for the German Council of economic advisors to the Federal Ministry of Economics and Research. It is argued that the German pay-as-you-go-system is efficient in a present value sense but will...

The paper analyzes the issue of the financial sustainability of the Italian Pension System in the long-run, by discussing the main reforms occurred in the last few years and by examining some recent data: in particular, the data of the Italian Agency for the Evaluation of Social Security...