欧洲银行，乃至欧洲监管者，担心他坚定推行更严格的巴塞尔3.5标准（或者用银行家的话说，是巴塞尔4.0标准 ） ， 如果这一标准以美国所想要的形式得到实施，就要求进一步大幅增加资本，特别是欧洲银行。
European banks, and even their regulators, were concerned by his enthusiastic advocacy of even tougher standards in Basel 3.5 (or Basel 4, as bankers like to call it), which would, if implemented in the form favored by the US, require further substantial capital increases for Europe’s banks in particular.