Hahn, Jinyong; Ham, John C.; Moon, Hyungsik Roger - In: Journal of Econometrics 160 (2011) 2, pp. 289-299
We consider the following problem. There is a structural equation of interest that contains an explanatory variable that theory predicts is endogenous. There are one or more instrumental variables that credibly are exogenous with regard to this structural equation, but which have limited...