. Learning a new language is an investment in human capital. Migrants must learn the language of their destination country, but … have shown that fluency in a dominant language is important to economic success and increases economic efficiency. However …, maintaining linguistic diversity also has value since language is also an expression of people's culture. …

. Learning a new language is an investment in human capital. Migrants must learn the language of their destination country, but … have shown that fluency in a dominant language is important to economic success and increases economic efficiency. However …, maintaining linguistic diversity also has value since language is also an expression of people's culture. …

the language proficiency of immigrants by exploiting the fact that the initial placement of guest-workers after WWII was … several data sets, we find a small but robust and significant negative effect of ethnic concentration on immigrants' language … German-speakers would increase only modestly even under the counterfactual scenario of a regionally equal distribution of …

The paper analyses the impact of regional own-ethnic concentration on the language proficiency of immigrants. It solves … initially placed by firms and labor agencies. We find a robust negative effect of ethnic concentration on immigrants' language … equal distribution of immigrants the share of German-speakers increases only modestly. -- Enclave ; ethnic concentration …

the language proficiency of immigrants by exploiting the fact that the initial placement of guest-workers after WWII was … several data sets, we find a small but robust and significant negative effect of ethnic concentration on immigrants' language … German-speakers would increase only modestly even under the counterfactual scenario of a regionally equal distribution of …