Most countries reduce Disability Insurance (DI) benefits for beneficiaries earning above a specified threshold. Such an earnings threshold generates a discontinuous increase in tax liability – a notch – and creates an incentive to keep earnings below the threshold. Exploiting such a notch in...

This paper explores the effect of letting individuals choose their retirement age in a world of uncertainty where there exist both defined benefit (DB) and defined contribution (DC) pension plans. The paper shows that giving individuals the flexibility to determine when to retire is an important...