Even though the European financial sector integrated significantly during the first decade of the twenty-first century, the E.U. Government’s regulatory infrastructure and content did not keep up. As in the U.S. until 1933, state regulation carried the bulk of the weight. As the twenty-first century notably differs from the nineteenth, the relatively integrated financial sector in the E.U. means more risk is entailed in continuing to rely on state regulators. This is not good news for David Cameron, who in late 2011 tried and failed at a European Council meeting to hold strengthened enforcement of state-deficit limits hostage by demanding protection for state-level financial regulation over federal regulation. Like South Carolina was in the nineteenth century, United Kingdom was decidedly in the states’ rights camp as late as a decade into the twenty-first.
The full essay is at "Essays on the E.U. Political Economy," available at Amazon.