TY - JOUR 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 AU - Zabel, Jeffrey E. PY - 1998 SP - 479 EP - 506 JO - Journal of Human Resources VL - 33 IS - 2 SN - 0022-166X UR - http://www.jstor.org/stable/146438 ER -