The major purpose of this paper is to examine the problems of geralizing from the Graduated Work Incentive experimental setting to the national labor-supply responses that would be generated by a negative income tax that replaced existing welfare programs for families headed by able-bodied males. (Author/BP)

Among the many problems in interpreting the results of the experiment is the determination of what can be inferred from a limited duration experiment about the behavioral effects of a negative income tax. This paper examines and interprets experimental data based on the labor supply model. (Author/BP)

Analyzes the impact of a negative income tax experiment on the school performance of children in grades 4 through 10, indicating an increase in reading achievement for the younger children but not the older. Discusses evidence from previous research, welfare reform and educational achievement, and the research methodology and results. (MF)

Examines the effects of a negative income tax on school-enrollment and labor-supply decisions of urban Black teenagers. Results support the contention that the negative income tax would enable more teenagers to complete high school and postpone entry into the labor force. Theoretical considerations and empirical results are analyzed. (MF)