Freyberger, Joachim; Horowitz, Joel - Centre for Microdata Methods and Practice (CEMMAP) - 2012
This paper is concerned with inference about an unidentified linear functional, L(g), where the function g satisfies the relation Y = g(X) + U; E(U | W) = 0. In this relation, Y is the dependent variable, X is a possibly endogenous explanatory variable, W is an instrument for X, and U is an...