We compare the earnings of monolingual and competent bilingual immigrants in Germany. A joint discussion of language skills as human capital or social capital and theories of ethnic marginalisation leads us to expect heterogeneous returns to bilingualism. To track this potential divergence, we...

This paper uses a static and dynamic gravity model of trade to investigate the link between German development aid and exports from Germany to the recipient countries. The findings indicate that in the long run,German aid is associated with an increase in exports of goods that is larger than the...

Foreign aid is given for a combination of economic, political, and humanitarian motives. While its impact on economic development in recipient countries has been the main focus of research recently, we concentrate on the question to what extent it also promotes donor countries’ exports. We...

We contribute to the nascent literature on the heterogeneity of multinational enterprises (MNEs) and the relevance of firm characteristics for analyzing the determinants of outward foreign direct investment (FDI). The focus is on the role of firm-level heterogeneity when MNEs decide on the share...