Because of the high social cost of cigarette smoking, many countries impose advertising restrictions to reduce cigarette consumption. Yet previous studies conclude that advertising constraints have been ineffective at reducing cigarette smoking. This conclusion is incorrect because it ignores...

As previously argued, the correlation between included and omitted regressors generally causes inconsistency of standard estimators for count data models. Using a specific residual function and suitable instruments, a consistent generalized method of moments estimator can be obtained under...