The extensive literature on smoking behaviour has focused on numerous aspects such as the factors that influence the decision to start smoking and, for smokers, what factors influence consumption and decisions to quit. This study focuses on the determinants of the typical daily volume of...

There is no qualitative dependent model that can simultaneously account for data sets in which the variable of interest has both a multi-modal distribution and is potentially ordered. Such a multimodal distribution may be the result of individuals being captive to particular choices. Such a case...

A plethora of tests for the Independence of Irrelevant Alternatives (IIA) property of Logit models of discrete choice behavior has been proposed in the literature. These tests are based upon asymptotic arguments and little is known about their size and power properties in finite samples. This...