Richard Feynman has claimed that “it is safe to say that nobody really understands quantum mechanics.” He was serious about it because of the complexity of the subject and the counter-intuitive consequences of the theory. Sometime I think that the global financial system is also beyond comprehension. But that is not quite true. Unlike quantum mechanics, the financial system is an artifact, albeit a very complex one. Also, it is possible to understand something and yet be unable to fully control it all the time. Once in a while, it …