The social contract of the welfare state can be strained by the arrival of immigrants who receive welfare payments financed by citizens' taxes. We show, however, that the presence of unemployed immigrants receiving welfare payments is consistent with social harmony. The social harmony, which is...

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 networks are usually captured by the number of people from the migrant's country in the host region. Using Mexican migration data, we analyze the effects of the usual network variable and two additional origin-village-specific variables on migrants' location choice.

The literature, starting with Chiswick (1977, 1978) to Gang and Zimmermann (2000), more recently, focuses on the economic achievements and performance of first- and secondgeneration migrants. This paper presents a three-generation migrant analysis, comparing relative economic performance of...

This paper presents a first attempt at understanding some of the many issues involved in the granting of an amnesty to illegal immigrants. We consider government behavior with respect to allocations on limiting infiltration (border control) and apprehending infiltrators (internal control) and...

This paper examines the disincentive effects of perceived underpayment on individuals' exerted effort and promotion. To this end we develop a theoretical framework and obtain empirical evidence by analysing British academia data. We find that, tenured academics will tend to invest less effort in...

We introduce the idea that informational cascades can explain the observed regularity that emigrants from the same locations also tend to choose the same foreign locations. Thus informational cascades generate herd behavior. Herd behavior is compared with the network externalities explanation of...