This cumulative dissertation consists of three essays. The first essays with the title ‘‘The Labor Market Effect of Opening the Border: Evidence from Switzerland’’ analyses the effect of opening the labor market for workers from the European Union in Switzerland after 1999. We exploit...

"Although migration and integration have become important concepts today as a result of globalization, migration movements, integration, and multiculturalism have always been part of the history of Europe. Few people realize how many ethnic groups participated in migration within Europe or into...