What went wrong

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“A company for carrying out an undertaking of great advantage, but nobody to know what it is.” This lure for the South Sea Company, published in 1720, has a whiff of the 21st century about it. Modern finance has promised miracles, seduced the brilliant and the greedy—and wrought destruction. Alan Greenspan, formerly chairman of the Federal Reserve, said in 2005 that “increasingly complex financial instruments have contributed to the development of a far more flexible, efficient, and hence resilient financial system than the one that existed just a quarter-century ago.” Tell that to Bear Stearns, Wall Street’s fifth-largest investment bank, the most spectacular corporate casualty so far of the credit crisis.

For the critics of modern finance, Bear’s swift end on March 16th was the inevitable consequence of the laissez-faire philosophy that allowed financial services to innovate and spread almost unchecked. This has created a complex, interdependent system prone to conflicts of interest. Fraud has been rampant in the sale of subprime mortgages. Spurred by pay that was geared to short-term gains, bankers and fund managers stand accused of pocketing bonuses with no thought for the longer-term consequences of what they were doing. Their gambling has been fed by the knowledge that, if disaster struck, someone else—borrowers, investors, taxpayers—would end up bearing at least some of the losses.

Since the era of frock coats and buckled shoes, finance has been knocked back by booms and busts every ten years or so. But the past decade has been plagued by them. It has been pocked by the Asian crisis, the debacle at Long-Term Capital Management, a super-brainy hedge fund, the dotcom crash and now what you might call the first crisis of securitisation. If the critics are right and something in finance is broken, then there will be pressure to reregulate, to return to what Alistair Darling, Britain’s chancellor of the exchequer, calls “good old-fashioned banking”. But are the critics right? What really went wrong with finance? And how can it be fixed?

Happy days