Olena Nizalova|Irina Murtazashvili
Exogenous Treatment and Endogenous Factors: Vanishing of Omitted Variable Bias on the Interaction Term
University of Kent|Drexel University
abstract whether interested differential impact particular factor various institutional settings heterogeneous effect policy random experiment empirical researcher confronts problem factor interest correlated omitted variable paper presents circumstances possible arrive consistent estimate mentioned effect find source heterogeneity omitted variable jointly independent policy treatment ols estimate interaction term treatment endogenous factor turns consistent