166 countries have some kind of public old age pension. What economic forces create and sustain old age Social Security as a public program? We document some of the internationally and historically common features of Social Security programs including explicit and implicit taxes on labor supply,...

The U.S. Social Security Administration, in cooperation with similar agencies in other countries, recently developed estimates of social security benefits for twelve major industrial countries. The present paper uses these data to estimate the effects of social security benefits on saving and...

We examine how the change in the trend of the elderly's employment rates has been associated with changes in incentives of social security and its related programs in Japan since the 1980s. We compute the tax force to retire early, using the institutional parameters and synthetic earnings...

In theory, improvements in healthy life expectancy should generate increases in the average age of retirement, with little effect on savings rates. In many countries, however, retirement incentives in social security programs prevent retirement ages from keeping pace with changes in life...

The worldwide problem with pay-as-you-go (PAYG) social security systems isn't just financial. This study indicates that these systems may have exerted adverse effects on key demographic factors, private savings, and long-term growth rates. Through a comprehensive endogenous-growth model where...

We examine the link between equity risk premiums and demographic changes using a very long sample over the twentieth century for the US, Japan, UK, Germany and France, and a shorter sample covering the last third of the twentieth century for fifteen countries. We find that demographic variables...

Substantial research attention has been devoted to the pension accumulation process, whereby employees and those advising them work to accumulate funds for retirement. Until recently, less analysis has been devoted to the pension decumulation process -- the process by which retirees finance...