The A. I. G. Sinkhole

Joe Nocera of the Times on AIG - the company which got a further $30 billion yesterday in addition to the $150 billion already committed by the United States taxpayer so far.

Here’s what is most infuriating: Here we are now, fully aware of how these scams worked. Yet for all practical purposes, the government has to keep them going. Indeed, that may be the single most important reason it can’t let A.I.G. fail. If the company defaulted, hundreds of billions of dollars’ worth of credit-default swaps would “blow up,” and all those European banks whose toxic assets are supposedly insured by A.I.G. would suddenly be sitting on immense losses. Their already shaky capital structures would be destroyed. A.I.G. helped create the illusion of regulatory capital with its swaps, and now the government has to actually back up those contracts with taxpayer money to keep the banks from collapsing. It would be funny if it weren’t so awful. I asked Mr. Arvanitis, the former A.I.G. executive, if the company viewed what it had done during the bubble as a form of gaming the system. “Oh no,” he said, “they never thought of it as abuse. They thought of themselves as satisfying their customers.”

That’s either a remarkable example of the power of rationalization, or they were lying to themselves, figuring that when the house of cards finally fell, somebody else would have to clean it up.

That would be us, the taxpayers.

Chronicles in clueless financial engineering

Mathematician David X. Li's 'Gaussian copula' function allowed financial engineers to model risks on securities and CDOs with faux ease and accuracy. A tale of clueless bankers and traders in financial firms following half baked math in their search for the lucre.

Li's copula function was used to price hundreds of billions of dollars' worth of CDOs filled with mortgages. And because the copula function used CDS prices to calculate correlation, it was forced to confine itself to looking at the period of time when those credit default swaps had been in existence: less than a decade, a period when house prices soared. Naturally, default correlations were very low in those years. But when the mortgage boom ended abruptly and home values started falling across the country, correlations soared. Bankers securitizing mortgages knew that their models were highly sensitive to house-price appreciation. If it ever turned negative on a national scale, a lot of bonds that had been rated triple-A, or risk-free, by copula-powered computer models would blow up. But no one was willing to stop the creation of CDOs, and the big investment banks happily kept on building more, drawing their correlation data from a period when real estate only went up.

Of course, one might ask - where is the good Dr. Li?

Li has been notably absent from the current debate over the causes of the crash. In fact, he is no longer even in the US. Last year, he moved to Beijing to head up the risk-management department of China International Capital Corporation.

How one man saved the Indian financial system...

Just ran into this story about an individual who had the courage to think rationally against prevailing trends even when it became extremely unfashionable to do so. There seems to be larger lessons that one could glean from this story...

India had a bank regulator who was the anti-Greenspan. His name was Dr. Y. V. Reddy, and he was the governor of the Reserve Bank of India. Unlike Alan Greenspan, who didn’t believe it was his job to even point out bubbles, much less try to deflate them, Mr. Reddy saw his job as making sure Indian banks did not get too caught up in the bubble mentality. About two years ago, he started sensing that real estate, in particular, had entered bubble territory. One of the first moves he made was to ban the use of bank loans for the purchase of raw land, which was skyrocketing. Only when the developer was about to commence building could the bank get involved — and then only to make construction loans. (Guess who wound up financing the land purchases? United States private equity and hedge funds, of course!)
Then, as securitizations and derivatives gained increasing prominence in the world’s financial system, the Reserve Bank of India sharply curtailed their use in the country. When Mr. Reddy saw American banks setting up off-balance-sheet vehicles to hide debt, he essentially banned them in India. As a result, banks in India wound up holding onto the loans they made to customers. On the one hand, this meant they made fewer loans than their American counterparts because they couldn’t sell off the loans to Wall Street in securitizations. On the other hand, it meant they still had the incentive — as American banks did not — to see those loans paid back. Seeing inflation on the horizon, Mr. Reddy pushed interest rates up to more than 20 percent, which of course dampened the housing frenzy. He increased risk weightings on commercial buildings and shopping mall construction, doubling the amount of capital banks were required to hold in reserve in case things went awry. He made banks put aside extra capital for every loan they made. In effect, Mr. Reddy was creating liquidity even before there was a global liquidity crisis.

Did India’s bankers stand up to applaud Mr. Reddy as he was making these moves? Of course not. They were naturally furious, just as American bankers would have been if Mr. Greenspan had been more active.