Private educational firms claimed to be able to substantially increase the reading and mathematics achievement test scores of disadvantaged students. The OEO Performance Contracting Experiment tested this claim. Although analysis of experimental effects is complicated by imperfect matching of...

This paper is an exploratory attempt to view the role that social experiments in general, and the income maintenance experiments and work/welfare demonstrations in particular, have played in the policy process through the lens provided by the knowledge ...

The importance of migration of AFDC beneficiaries as a determinant of state benefit levels is examined in this paper. A pooled cross-section time-series model fit to state data over the seventies indicates that benefit levels in other states have a positive influence on own-state benefits and a...

The paper develops a procedure for evaluating the social benefits of income redistribution programs. The procedure makes social benefit a function of both the mean and the variance of family income and needs of the recipients over time, with sensitivity tests to see how benefits change under...