EU would be less stable without UK - Germany's Schaeuble

German Finance Minister Wolfgang Schaeuble urged Britain on Thursday to stay in the European Union, warning that Europe could become less stable if it leaves and that the bloc could also become less competitive. British Prime Minister David Cameron has called an in-out referendum on the country's EU membership on June 23. "If the UK would not be engaged (in) the European Union as a member, I think the UK would take the risk that continental Europe would be a little bit less stable, more volatile