@article{Ziliak1998,
author = {Ziliak, J.P. and Kniesner, T.J.},
title= {The importance of sample attrition in life cycle labor supply estimation},
year = {1998},
doi = {10.2307/146439},
journal = {The Journal of Human Resources },
volume = {33},
number = {2},
pages = {507−530},
}