Managers and employees need global leadership competencies in order to operate effectively in international business. In order to prepare both managers and employees for operating in the global arena an instrument measuring global leadership competencies would be very useful. In this article we...

In 2007, Michigan began requiring all high school students to take the ACT college entrance exam. This natural experiment allows us to evaluate the performance of several parametric and semiparametric sample selection correction models. We apply each model to the censored, prepolicy test score...