Common currency, common identity? How the euro has fostered a European identity

Does European institution building in key areas of national sovereignty go hand in hand with the emergence of a common identity among European citizens? Drawing on a new study, Fedra Negri, Francesco Nicoli and Theresa Kuhn show that the introduction of the euro has fostered a European identity, leading to a small but significant decrease in the share of people who identify only with their nation and not with the EU.