All developed economies have unemployment benefit programs to protect workers against major income losses during spells of unemployment. By enabling unemployed workers to meet basic consumption needs, the programs protect workers from having to sell their assets or accept jobs below their...

The results of the Gary Negative Income Tax Experiment show significant work disincentives of 3 to 6 percent for husbands, 26 to 30 percent for female heads, but none for wives. The response of husbands is similar to those in other experiments. The response of female heads is somewhat larger...

This paper assesses the effectiveness of means-tested and social insurance programs in the United States. The U.S. benefit system has a major impact on poverty rates, reducing the percentage of the poor in 2004 from 29 to 13.5 percent. The system reduces poverty the most for persons with...

The labor supply and other work incentive effects of welfare programs have long been a central concern in economic research. Work has also been an increasing focus of policy reforms in the USA, culminating with a number of major policy changes in the 1990s whose intent was to increase employment...

Econometric practice in labor economics has changed over the past 10 years as probit, logit, hazard methods, instrumental variables, and fixed effects models have grown in use and selection bias methods have declined in use. To a large degree these trends reflect an increasing preference for...

We estimate the trend in the transitory variance of male earnings in the United States using the Michigan Panel Study of Income Dynamics from 1970 to 2004. Using an error components model and simpler but only approximate methods, we find that the transitory variance started to increase in the...

Studies of the types of women who are still on the welfare rolls, subsequent to welfare reform, are less common than studies of the types of women who have left the rolls. The conventional wisdom is that more skilled women have left the rolls and therefore that less skilled women remain on...