Author(s): Lewbel, Arthur
Abstract: In a sample selection or treatment effects model, common unobservables may affect both the outcome and the probability of selection in unknown ways. This paper shows that the distribution function of…Pp: 777-806Publication: Journal of EconometricsbrPublished: 2007Published date: December 1, 2007Vol: 141Issue: 2DOI: 10.1016/j.jeconom.2006.11.004URL: http://www.sciencedirect.com/science/article/pii/S0304407606002363Publication: Journal of Econometrics