In this note we use unique data from Bar-Ilan University, over a period of four years (2005-2008), to estimate simultaneous equations with regard to the relationship between publications and teaching loads. The study shows that students studying for a bachelor's degree are a liability while PhD...

This paper looks at the situation of legal immigrants who employ illegal immigrants to provide them with various services. This enables the legal immigrants to allocate more time to other work, thereby increasing their earnings. Illegal immigrants employed by legal immigrants may specialize in...

Migration has a strong economic impact on the sending and host countries. Since individuals and groups do not benefit equally from migration, interest groups emerge to protect and take care of their narrow self-interests and compete for rents generated by migration. Narrow self-interests may be...

A model is set up where migrants must choose a level of social traits and consumption of ethnic goods. As the consumption level of ethnic goods increases, the migrants become ever more different to the local population and are less assimilated. Less assimilation affects the reaction of the local...