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Three Myths about the Crisis: Bonuses, Irrationality, and Capitalism
...This “executive compensation” theory of the crisis is now the keystone of the conventional wisdom, having been embraced by President Obama, the leaders of France and Germany, and virtually the entire financial press. But if anyone has evidence for the executive-compensation thesis, they have yet to produce it. It’s a great theory. It “makes sense”—we all know how greedy bankers are! But is it true?

The evidence that has been produced suggests that it is false.

For one thing, bankers were often compensated in stock as well as with bonuses, and the value of this stock was wiped out because of the investments in question. Richard Fuld of Lehman Brothers lost $1 billion this way; Sanford Weill of Citigroup lost half that amount. A study by Rüdiger Fahlenbrach and René Stulz [3] showed that banks with CEOs who held a lot of stock in the bank did worse than banks with CEOs who held less stock, suggesting that the bankers were simply ignorant of the risks their institutions were taking. Journalists’ and insiders’ books about individual banks[4] bear out this hypothesis: At Bear Stearns and Lehman Brothers, for example, the decision makers did not recognize the risks until it was too late, despite their personal investments in the banks’ stock.

Perhaps the most powerful evidence against the executive-compensation thesis, however, is that 81 percent of the mortgage-backed tranches purchased by banks were rated AAA[5], and thus produced lower returns than the double-A and lower-rated tranches of the same mortgage-backed securities that were available. Bankers who were indifferent to risk because they were seeking higher return, hence higher bonuses, should have bought the lower-rated tranches universally, but they did so only 19 percent of the time. And most of those purchases were of double-A rather than A, BBB, or lower-rated, more-lucrative tranches.

The Myth that Capitalism Caused the Crisis

Both the myth of irrational exuberance and the myth of bankers’ bonuses have contributed to the notion that the excesses of capitalists—whether irrational excesses or self-interested ones—were the root cause of the crisis. Without the first two myths, however, the “Capitalism Did It” thesis itself begins to look more like a myth than a reality. Obviously capitalists were involved in the crisis—bankers were not government officials. But with irrationality and bonuses out of the way, the question is why bankers bought those triple-A mortgage-backed securities, and the answer may well lie in the regulations promulgated by government officials.[6]

Had bankers been looking for the safety connoted by triple-A ratings, they could have bought Treasurys, which were even safer. If they were looking for yield, they could have bought double-A or lower-rated bonds. And why mortgage-backed bonds? The answer seems to be an obscure rule enacted by the Fed, the FDIC, the Office of the Comptroller of the Currency, and the Office of Thrift Supervision in 2001: the Recourse Rule, an amendment to the Basel I accord that governed banks' capital minima.

Under the Recourse Rule, an AA- or AAA-rated asset-backed security, such as a mortgage-backed bond, received a 20-percent risk weight, compared to a zero risk weight for cash and a 50-percent risk weight for an individual (unsecuritized) mortgage. This meant that commercial banks could issue mortgages—regardless of how sound the borrowers were—sell them to investment banks to be securitized, and buy them back as part of a mortgage-backed security, in the process freeing up 60 percent of the capital they would have had to hold against individual mortgages. Capital held by a bank is capital not lent out at interest; by reducing their capital holdings, banks could increase their profitability.

To be sure, banks that bought mortgage-backed securities to reduce their capital cushions were, indeed, knowingly increasing their vulnerability if the investments turned out badly. But absent the Recourse Rule, there is no reason that banks seeking a safe way to increase their profitability would have converged on asset-backed securities (rather than Treasurys or triple-A corporate bonds); thus, they would not have been so vulnerable to a burst housing bubble. The Recourse Rule artificially boosted the profitability of a certain type of investment that the Fed, the FDIC, and the other regulators thought was safe. ...