Language proficiency is a key driver of immigrant integration. It increases job opportunities and facilitates social and political participation. However, despite its vital importance, many immigrants never reach adequate proficiency in the host country language. Therefore, insights into the...

Germany and Canada stand at polar ends of the scientific debate over language integration and ascension to citizenship. German naturalization, as of January 2000, contains an explicit language criterion for naturalization. The first German immigration act that will presumably come into effect on...

This paper is the first to estimate a causal effect of immigrant students' reading performance on their math performance. To overcome endogeneity issues due to unobserved ability, we apply an IV approach exploiting variation in age-at-arrival and the linguistic distance between origin and...

This article summarizes three different strands of the literature that address the labor market effects of language-related human capital. (1) A general importance is demonstrated in the empirical evidence on earnings and employment effects of literacy as the ability to productively use written...

This paper is the first to estimate a causal effect of immigrant students' reading performance on their math performance. To overcome endogeneity issues due to unobserved ability, we apply an IV approach exploiting variation in age-at-arrival and the linguistic distance between origin and...

There are various degrees of similarity between the languages of different immigrants and the language of their destination country. This linguistic distance is an obstacle to the acquisition of a language, which leads to large differences in the attainments of the language skills necessary for...