An Englishman once watched his first American football game. He looked intently as the team gathered into a huddle after each play. His American host asked him what he thought of the proceedings. “Not a bad sport,” remarked the visitor, “but they do seem to engage in an excessive number of...

From its early post-war catch-up phase, Germany's formidable export engine has been its consistent driver of growth. But Germany has almost equally consistently run current account surpluses. Exports have powered the dynamic phases and helped emerge from stagnation. Volatile external demand, in...