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...

We study the welfare effects of earnings testing flat-rate old-age benefits in a quantitative overlapping generations model with idiosyncratic labor income risk. In our model economy, even a moderate earnings testing reduces individuals' expected lifetime utility, whenever other taxes are taken...

In der wissenschaftlichen Literatur standen bis dato die Implikationen des demografischen Wandels für die Sozialversicherungen im Fokus. Die Arbeitsmarkteffekte sind bisher nur höchst unzureichend analysiert worden. Die Arbeit stößt in diese Lücke und liefert wichtige und neue Einsichten in...

We study the welfare effects of earnings testing flat-rate old-age benefits in a quantitative overlapping generations model with idiosyncratic labor income risk. In our model economy, even a moderate earnings testing reduces individuals' expected lifetime utility, whenever other taxes are taken...

This study analyses how fertility is affected by social security system when efficiency wages are considered in an overlapping generations model of a small open economy. It reveals that the effects of pension and unemployment insurance depend on the childrearing costs level, and the higher...