Chen, Songnian; Zhou, Yahong - In: Annals of Economics and Finance 6 (2005) 1, pp. 155-167
In this paper estimation of sample selection models using experimental data is considered with some weak restriction imposed on the error distribution. Under a normality setting, the most popular approach is the two-step method proposed by Heckman (1979). But Heckman¡¯s approach relies on the...