This study investigates whether foreign origin teachers causally affect their students language skills in secondary school. Exploring within-student variation in assignment to teachers, I find that teachers who are immigrants or descendants of immigrants significantly increase the reading...

We examine the heterogeneous impacts of foreign language use at work on earnings of both native-born workers and foreign-born workers, using a longitudinal survey, viz. the European Community Household Panel (ECHP) running from 1994 to 2001. Our findings are the following. First, for native-born...

The globalization of labour markets makes language skills one of the key competences required by employers nowadays. Our purpose is to estimate the wage premium from foreign language skills (FLS) earned by the Poles. We also want to find out whether this premium is affected by the fact of...