How Important Is Selection into Full-Time and Part-Time Employment? A New Panel Data Sample Selection Model for Estimating Wage Profiles
全职与兼职就业选择的重要性：估计工资曲线的新面板样本选择模型
The literature has shown that correcting for self-selection into work is important for the estimation of wage profiles. In this paper, we analyze to what extent intensive labor supply choices add valuable otherwise unobserved information to improve wage profile estimates. We develop a panel data sample selection model that allows for discrete choices in labor supply decisions and apply this to high-quality administrative data. Compared to labor supply decisions at the…