TY - JOUR A1 - Zabel, J.E. T1 - An analysis of attrition in the Panel Study of Income Dynamics and the Survey of Income and Program Participation with an application to a model of labor market behavior Y1 - 1998 DO - 10.2307/146438 UR - https://doi.org/doi:10.2307/146438 VL - 33 IS - 2 ER -