“Where there is danger, the rescue grows as well” says the German poet Hölderlin in his famous evocation of the Greek island of Patmos. Should we read it as a message of hope for the European Union in 2015? This year is indeed perilous in many respects for the bloc’s economy, but it is also rich in new opportunities, write Michel Aglietta, Étienne Espagne and Vincent Aussilloux.