While the effect of social security systems on retirement decisions has received much attention, the impact of these systems on individuals incentives to invest in their human capital has not been analyzed. We integrate human capital investment and retirement decisions in a simple analytical...

In this fascinating new field, this paper offers some reflections on portability of social benefits, and tries to identify promising research topics. These reflections are organized in three sections. The first analyzes the channels that underpin the positive value of portability of social...

It is often argued that implicit taxation on continued activity of elderly workers is responsible for the widely observed trend towards early retirement. In a world of laissez-faire or of first-best efficiency, there would be no such implicit taxation. The point of this paper is that when...

This paper investigates the inter-temporal structure of implicit taxes that arise in unfunded pension schemes. We demonstrate that these tax rates are declining over the life cycle. Using German micro-data for men and married women we estimate periodic wage elasticities of labour supply in order...

We find evidence in the OECD cross-country data to support the Knightian view that non-diversifiable economic risks shape equilibrium entrepreneurship in an occupational choice model. Differential social insurance of entrepreneurial and labor risk is found to be statistically significant and...

How do parents contend with threats to the health and survival of their children? Can the social safety net mitigate negative economic effects through transfers to affected families? We study these questions by combining the universe of cancer diagnoses among Danish children with register data...