Martin Wolf Banks are designed to fail. And so they do. Governments want them to be both safe places for the public to keep their money and profit-seeking takers of risk. They are at one and the same time regulated utilities and risk-taking enterprises. The incentives for management incline them towards risk-taking, just as the incentives for states incline them towards saving the utility when risk-taking blows it up. The result is costly instability. If one thing is clear about the...