Assertion: explanatory variable | /r/HasProperty | endogenous covariate
Facets:
value: in the equation of interest
type: OTHER
Source sentences:
text: In the first stage, each explanatory variable that is an endogenous covariate in the equation of interest is regressed on all of the exogenous variables in the model, including both exogenous covariates in the equation of interest and the excluded instruments.