Does a high regional concentration of immigrants of the same ethnicity affect immigrant children's acquisition of host-country language skills and educational attainment? We exploit the exogenous placement of guest workers from five ethnicities across German regions during the 1960s and 1970s in...

We analyze the impact of increased immigration on labor market outcomes of natives in Germany using a dataset of county level variables for the late 1908s. In order to construct more unified labor market regions we aggregate the 328 counties to 167 larger regions. We study two measures of...

Unlike prototype immigration countries, Germany has attracted a large number of southern Europeans as temporary guestworkers in the 60s and 70s. Nevertheless, many of them have stayed on and intend to remain in Germany. I investigate whether these workers have become successfully integrated into...

While the entry of new immigrants into the German labour market is usually controlled by the local labour authorities, no such controls exist for contract workers (Werkvertragsarbeitnehmer), who are subject to national quotas which are fixed in the medium term. Therefore the ease of contract...

A review of the measures of the stock of human capital used in empirical growth research reveals that human capital is mostly poorly proxied. The simple use of the most common proxy, average years of schooling of the working-age population, misspecifies the relationship between education and the...