Milton Friedman predicted the single currency would fall apart after a decade or two; this has now become more likely than not. After all, Schauble knows that the conditions he proposes would be politically unacceptable, so he says that any country unable to meet them “should, as a last resort, exit the monetary union, while being able to remain a member of the EU.”
米尔顿 · 弗里德曼（ Milton Friedman ）曾预言，一、二十年之后的单一货币将轰然倒塌。眼下，其理论已得到了某种验证。归根结底，朔伊布勒也明白自己提出的条件并不为政界所接受。因此，朔伊布勒提出，无法满足其条件的国家 “ 在确保欧盟成员国资格的前提下，最终都应退出货币同盟。 ” 更有甚者，德国如果无法迫使弱小盟国就范，它也将自行退出。