Two trade-offs have been widely seen to severely constrain the scope for attacking poverty using redistributive transfers in poor countries: an equity-efficiency trade off and an insurance-efficiency trade off. This article argues that recent economic theories and evidence call into question the...

Evaluations of workfare programs in poor rural economies have typically ignored two features that policy makers stress: involuntary unemployment and the expected welfare losses from work requirements. The paper generalizes past evaluation theory and methods to incorporate both features, and...

The traditional approach to poverty measurement puts no explicit weight on success at increasing the typical level of living of the poorest—raising the consumption floor. To address this deficiency, the paper defines and measures the expected value of the floor, allowing for transient effects...

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 analyzes the school enrollment and labor supply decisions of teenagers and young adults as jointly deter-mined outcomes. The empirical results are based on an application of discrete multivariate analysis to a sample taken from the Survey of Income and Education. Higher relative wage...

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...

This paper advances the specification and estimation of models of retirement and saving in two earner families. The complications introduced by the interaction of retirement decisions by husbands and wives have led researchers to adopt a number of simplifications to increase the feasibility of...

This paper analyzes the incentives provided by the Italian Social Security System (SS) to supply labor. Italy is an interesting example in this context as: (1) fertility rates are very low while life expectancy has improved dramatically over the past decades; (2) the SS Program is extremely...