German and European migration policy operates in permanent crisis mode. Sudden increases in irregular immigration create a sense of loss of control, which is instrumentalised by populist forces. This has generated great interest in quantitative migration predictions. High expectations are placed...

Firm ownership is a defining feature of immigrant adaptation with 41% of immigrants owning a firm at some point in their first 10 years after arrival. We use rich Canadian administrative data linking immigrant arrival records with individual and firm tax data to examine the process by which...

The widespread use of foreign aid to address the "root causes" of irregular migration lacks a robust empirical foundation. In a new study (Fuchs, A., A. Groeger, T. Heidland, and L. Wellner (2023). The Effect of Foreign Aid on Migration: Global Micro-Evidence from World Bank Projects. Kiel...