A structural life-cycle retirement model with an improved specification over previous models is used to analyze and compare the long-run labor supply effects of the rules for Social Security in place in 1972,1977 and 1983, and for an actuarially fair system. The effects of separate provisions...

The U.S. Social Security system has helped keep many retirees out of poverty. However, according to the Social Security and Medicare Trustees, Social Security faces a future financial shortfall of $10.4 trillion in present value. This enormous imbalance has received little attention in public...

A structural dynamic model of retirement and saving is used to simulate the retirement effects of proposals made by the President's Commission to Strengthen Social Security. Provisions reducing the growth in real benefits and increasing actuarial incentives to work reduce retirements. They more...

This paper estimates the effects on steady state retirement by men of changes in pension" plans and social security in the 1970's and 1980's. Work incentives associated with pension" coverage and plan characteristics are calculated primarily from the 1969-79 Retirement History" Study and the...

This paper studies cost of living adjustments in pensions from the perspective of labor economics. Evidence from longitudinal data on pension and annuity incomes of retirees suggests that pension COLAs are less important in the 1980s than in the 1970s, but that through 1987 they continued to...

This paper seeks to explain the key two stylized facts of fundamental reforms to social security systems worldwide: Why have so many countries reformed when traditional systems seem, at first glance, to have a higher probability of delivering a secure retirement income? Why have these reforms...