This paper develops a search model with heterogeneous workers and social networks. High ability workers are more productive and have a larger number of professional contacts. Firms have a choice between a high cost vacancy in the regular labour market and a low cost job opening in the referral...

Portugal, female migration, breadwinning, undocumented migration, domestic work, globalisation, post-colonialism, social networks, social capital. - In my research I examine the situation of women from Eastern Europe who migrate alone to Portugal. Many had to leave behind their families and...

In this paper we explore the relationship between ethnic fractionalization and social capital. First, we test for time differences in the impact of ethnic fractionalization on social capital using U.S. data from 1990, 1997 and 2005. Subsequently we examine the data for evidence of the conflict,...