Key points are not available for this paper at this time.
Gerard J. van den Berg, Maarten Lindeboom, Attrition in Panel Survey Data and the Estimation of Multi-State Labor Market Models, The Journal of Human Resources, Vol. 33, No. 2, Special Issue: Attrition in Longitudinal Surveys (Spring, 1998), pp. 458-478
Berg et al. (Thu,) studied this question.