1. The estimation of a simultaneous equation generalized probit model;Amemiya;Econometrica,1978
2. The estimation of a simultaneous-equation Tobit model;Amemiya;International Economic Review,1979
3. The common structure of statistical models of truncation, sample selection, and limited dependent variables and a simple estimator for such models;Heckman;Annals of Economic and Social Measurement,1976
4. Sample bias as a specification error;Heckman;Econometrica,1979
5. Simultaneous equations models with discrete and censored variables;Lee,1981