Gonzales Martínez, Rolando. “The Wage Curve, Once More With Feeling: Bayesian Model Averaging of Heckit Models”. Econometric Research in Finance 3, no. 2 (October 15, 2018): 79 - 92. Accessed July 16, 2019. https://erfin.org/journal/index.php/erfin/article/view/40.