Zoltan Unczorg, a Hungarian truck driver, closes his truck door in the customs zone near the Austrian-German border in Suben, Austria, on March 30. A permanent return to border controls could lop 470 billion euros of gross domestic product growth from the European economy over the next 10 years, based on a relatively conservative assumption of costs, according to research published by Germany’s Bertelsmann Foundation. MUST CREDIT: Bloomberg photo by Akos Stiller.
