This paper uses the Panel Study of Income Dynamics from 1975 to 1992 to measure changes in the distribution of years of receipt of AFDC. The process generating the total number of years of welfare receipt is then disaggregated into four components: (1) the length of time until first birth, (2)...

By 1989, the Michigan Panel Study on Income Dynamics (PSID) had experienced approximately 50 percent sample loss from its initial 1968 membership due to cumulative attrition. We study the effect of this attrition on the unconditional distributions of several socioeconomic variables and on the...