Krugman's aphorism describes more than a sense of nostalgia for the good old bankers of our parents. Boring banking had regulatory and "moral" implication advantages that fancy finance, for all the (alleged) efficiency it brings to financial markets, seems to lack. Matthew Yeglesias takes the latest LIBOR scandal to illustrate the point and concludes:
The lesson of Libor is that regulators need to recognize that bankers have cast aside the clubby values of yore, and they need to respond in kind. Banks will try to abide by the letter of the law, but where loopholes exist, they’ll be ruthlessly exploited—through dishonest means if necessary—and the financial cops need to have a fundamentally suspicious attitude toward the regulated entities. Time and again, when tighter regulation of trading is proposed, the concern is raised that stringency will push activity to foreign centers. In the short run, that’s almost certainly true. Banks will want to move to wherever they’re most likely to be able to get away with more shady dealings. But an economic development strategy based on turning your country into an appealing location for dishonest banking is just going to get you a financial system that’s rotten with dishonesty. It’s time to stop being surprised and start realizing that these are the inevitable fruits of a regulatory system that’s weak by design.
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