The classical Heckman (1976, 1979) selection correction estimator (heckit) is misspecified and inconsistent if an … interaction of the outcome variable and an explanatory variable matters for selection. To address this specification problem, a … illustrate that the bias of the ordinary heckit estimator is removed by these generalized estimation procedures. Along with OLS …

The classical Heckman (1976, 1979) selection correction estimator (heckit) is misspecified and inconsistent if an … interaction of the outcome variable and an explanatory variable matters for selection. To address this specification problem, a … illustrate that the bias of the ordinary heckit estimator is removed by these generalized estimation procedures. Along with OLS …

The classical Heckman (1976, 1979) selection correction estimator (heckit) is misspecified and inconsistent, if an … interaction of the outcome variable with an explanatory variable matters for selection. To address this specification problem, a …) simulations illustrate that the bias of the ordinary heckit estimator is removed by these generalized estimation procedures. Along …