Social insurance for the elderly is judged responsible for the widely observed trend towards early retirement. In a world of laissez-faire or in a first-best setting, there would be no such trend. However, when first-best instruments are not available, because health and productivity are not...

This paper studies the design of retirement and disability policies when individuals differ in both productivity and health. The second-best solution implies (downward) distortions in the (per-period) labor supply and in the choice of retirement age for some individuals, and lesser...

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...

Pour expliquer les départs précoces à la retraite, les économistes utilisent le concept de taxation implicite sur tout prolongement de l’activité. De là à proposer que l’on élimine cette taxe, il n’y qu’un pas à franchir. Cette contribution montre que si le système de retraite...