Nizalova, Olena Y.; Murtazashvili, Irina - In: Journal of Econometric Methods 5 (2016) 1, pp. 71-77
Abstract Whether interested in the differential impact of a particular factor in various institutional settings or in the heterogeneous effect of policy or random experiment, the empirical researcher confronts a problem if the factor of interest is correlated with an omitted variable. This paper...