Das Umlage- und das Kapitaldeckungsverfahren werden verglichen. Das Kapitaldeckungsverfahren hat eine größere Rendite für den einzelnen und bringt gesamtwirtschaftliche Effizienzgewinne mit sich: Es wird mehr Kapital gebildet, und Verzerrungen am Arbeitsmarkt werden beseitigt. Bei einem...

The paper compares the pay-as-you-go system and a capital funded system of old age insurance. The capital funded system has a higher rate of return. Pension income can be obtained at lower costs for the individual. This implies efficiency gains in terms of higher savings and reduced distortion...

There are only few estimates of the returns on contributions to the German public pension System (GPPS). Those that are published ränge between nominal rates of future returns between about 4,5 % and 48 %, indicating that GPPS treats different groups of people differently. The authors develop a...

Losing a parent is a trauma that has consequences for human capital formation. Does it matter at what age this trauma occurs? Using longitudinal data from the Kagera region in Tanzania that span thirteen years from 1991-2004, we find considerable impact heterogeneity across age at bereavement,...

This paper examines the role of the health gradient – the positive correlation between household income and health – in individual retirement behavior, using data from the German Socio-economic Panel (GSOEP). We first estimate agegroup-specific health gradients and find their slope increases...

Previous literature largely ignores the heterogeneity of aid channels used by each single donor country. We estimate Tobit models to assess the relative importance of recipient need, recipient merit and self-interest of donors for various channels of official and private German aid across a...