求问……endogenous treatment assignment和 endogenous covariates有什么区别呢?
stata 对于这两种情况用了不同发语句……所以很好奇这两种情况具体怎么区分,求大神解答
Basic interval regression with endogenous covariates
eintreg depvar_1 depvar_2 [indepvars], endogenous(depvars_en =
varlist_en) [options]
Basic interval regress with endogenous treatment assignment
eintreg depvar_1 depvar_2 [indepvars], entreat(depvar_tr [=
varlist_tr]) [options]