Economics is a highly sophisticated field of thought that is superb at explaining to policymakers precisely why the choices they made in the past were wrong. About the future, not so much.
Ben BernankeWith respect to their safety, derivatives, for the most part, are traded among very sophisticated financial institutions and individuals who have considerable incentive to understand them and to use them properly.
Ben BernankeThe best approach here, if at all possible, is to use supervisory and regulatory methods to restrain undue risk-taking and to make sure the system is resilient in case an asset-price bubble bursts in the future.
Ben Bernanke