We find that nearly 60 percent of the highly educated individuals in natural science, technology and manufacturing and health and medicine don't stay in their region of education and they have an average income that is higher than those that stay. In this paper we explore the relocation pattern...

Consider the case in which we have data from repeated surveys covering several geographic areas, and our goal is to characterize these areas on a latent trait that underlies multiple indicators. This characterization occurs, for example, in surveys of information and communication technologies...