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...

We develop a model where individuals differ in productivity and in longevity. Benefits from the public pay-as-you-go pension system take the form of a collective annuity, with both a contributive (Bismarckian) component (based on the worker's past earnings) and a flat (Beveridgean) part. Voters...

"The NBER Bulletin on Aging and Health provides summaries of publications like this. You can sign up to receive the NBER Bulletin on Aging and Health by email. Social Security is widely believed to protect its recipients from inflation because benefits are indexed to the Consumer Price Index for...