Speaking the language of the host country eases migrants' integration and tends to boost their economic success in the country of destination. However, the decision to acquire language skills may in itself be determined by the intention to migrate. In addition, conditional on being a migrant,...

Cultural factors and especially common languages are well-known determinants of trade. By contrast, the knowledge of foreign languages was not explored in the literature so far. We combine traditional gravity models with data on fluency in the main languages used in EU and candidate countries....