This is the introduction and summary to the fifth phase of an ongoing project on Social Security Programs and Retirement Around the World. The first phase described the retirement incentives inherent in plan provisions and documented the strong relationship across countries between social...

In this paper, we analyze the association between financial incentives and retirement decisions using aggregate data for over four decades in Spain. We calculate an implicit tax rate on remaining in employment for an additional year and examine its correlation with employment rates for older...

The heated debate about how to reform Social Security has come to a standstill because the view of most Democrats (that Social Security must be a defined benefits plan similar in spirit to the current system) seems irreconcilable with the proposals supported by many Republicans (to create a...

Implicit taxes in Social Security, which measure Social Security contributions net of benefits accrued as a percentage of earnings, tend to increase over the life cycle. In this paper, we examine the effects of three potential policy changes on implicit Social Security tax rates: extending the...

China has legislated a mixed social security pension system with a defined benefit pay-as-you-go portion and an investment-based defined contribution portion. This paper analyses the economics of these two types of systems in the Chinese context and calculates the advantage to China of using an...

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...

The extent of the demographic changes in Europe is dramatic and will deeply affect future labor, financial and goods markets. The expected strain on public budgets and especially social security has already received prominent attention, but aging poses many other economic challenges that...

A program of Personal Retirement Accounts (PRAs) funded by deposits equal to 2.3 percent of earnings (up to the Social Security maximum) would permit retirees to receive more income in retirement than with the current Social Security program while at the same time making it unnecessary to...

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...

Governments around the world have enacted or are currently considering fundamental structural reforms of their Social Security pension programs. The key feature in these reforms is a shift from a pure pay-as-you-go tax-financed system, in which taxes on current workers are primarily distributed...