The Six Country Immigrant Integration Comparative Survey (SCIICS) is a large-scale telephone survey conducted in 2008. The aim was to collect comparable data across European countries (the Netherlands, Germany, France, Belgium, Austria and Sweden) with different integration policies as well as...

The question whether ethnic diversity is associated with declining social cohesion has produced much controversy. We maintain that more attention must be paid to cognitive mechanisms to move the debate ahead. Using survey data from 938 localities in Germany, France, and the Netherlands, we...

About 1.4 million refugees and irregular migrants arrived in Europe in 2015 and 2016. We model how refugees and irregular migrants are self-selected. Using unique datasets from the International Organization for Migration and Gallup World Polls, we provide the first large-scale evidence on...