This paper examines the migration and labor mobility in the European Union and elaborates on their importance for the existence of the EU. Against all measures of success, the current public debate seems to suggest that the political consensus that migration is beneficial is broken. This comes...

A model acknowledging technology and wage dispersion, search frictions, and costly worker turnover is used for testing the notion of random matching. Using a linked employer-employee data set on roughly 9,000 Norwegian establishments and 200,000 jobs during the period 1989-95, I show that...