""Money, money, and more money." In the eyes of early modern warlords, these were the three essential prerequisites for waging war. The transnational studies presented here describe and explain how belligerent powers did indeed rely on thriving markets where military entrepreneurs provided...

We investigate the causal relationship between inventor migration and regional innovation in the context of the large-scale migration shock from East to West Germany between World War II and the construction of the Berlin Wall in 1961. Leveraging a newly constructed, century-spanning dataset on...

Migration can stimulate economic growth when managed strategically. Heterogeneous impacts require targeted and redistributive policies. Narratives of migration as purely a supply-side issue are overly reductive. Migration can serve as a deficit-financing alternative to tax hikes or spending...

The labour market integration of migrants is a heavily politicised topic in Europe. Using detailed and recently updated data on migrant's motivations this paper places a much needed emphasis upon the heterogeneity of migrant groups and the pathways to their labour market integration. We focus on...

Africa's urban population is on the rise, and it is often feared that migrants are a direct source of urban underdevelopment under the premise that they are poorly integrated into urban labor markets. This study examines the validity of this premise using data from six African countries. It...

Workers have the right to take up any job offer in their country of citizenship but not to rent out that right. This paper shows that relaxing this restriction using a two-sided competitive market in work permits can provide a basic income guarantee for workers in migration-destination...