In this paper we use simulations to examine how endogeneity biases the results reported by ordinary least squares (OLS) regression. In addition, we examine how instrumental variable techniques help to ...

This is a preview. Log in through your library . Abstract In empirical marketing research that does not rely on fully randomized experiments, control variables are an important tool to rule out rival ...

Fuzzy statistics and random variables represent a progressive fusion of traditional probability theory with the principles of fuzzy logic, enabling the treatment of imprecision and vagueness inherent ...