We ask whether a PAYG-financed social security system is welfare improving in an economy with idiosyncratic and aggregate risk. We argue that interactions between the two risks are important for this question. One is a direct interaction in the form of a countercyclical variance of idiosyncratic...

We ask whether a PAYG-financed social security system is welfare improving in an economy with idiosyncratic and aggregate risk. We argue that interactions between the two risks are important for this question. One is a direct interaction in the form of a countercyclical variance of idiosyncratic...

The paper investigates the impacts of demographic change on the financial sustainability of a pay-as-you-go social security system in an economy with unemployment caused by trade unions. Using a simple two-period overlapping generations approach, it can be shown that the trade union behavior...

The paper shows the effect of demographic change on per capita burden of financing a PAYG social security system in the standard OLG model with frictional labor markets. Rising longevity and decreasing fertility both induce a rise in the employment level via increased capital accumulation and...

There is an ongoing discussion in Germany about the implementation of tax credits in order to reintegrate low-skilled workers into the labor market. This paper aims at analyzing the policy instrument of tax credits in a theoretical model that systematically compares the costs and benefits in the...

This paper investigates how demographic change affects the financial sustainability of apay-as-you-gosocialsecuritysysteminanenvironmentwithcollectivebargainingonthe labor market. Partial equilibrium analysis shows that the contribution rate or the benefit level decreases, if the old-age...

This paper discusses the gap in own old-age incomes of men and women and explores the causes for these differences by means of decomposition methods using German micro-data of the survey 'Alterssicherung in Deutschland' (ASID). The Gender Pension Gap has decreased but still amounts to about 60%...

Since its inception, the traditional form of providing survivor benefits within public pension schemes has lost much of its legitimacy. As a result of fundamental changes in marriage behaviour and the typical division of labour between married spouses, offering noncontributory benefits of this...