By Steven Pearlstein | 10 December 2007
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What's important to understand is that contrary to what you heard from President Bush last week, this isn't just a mortgage or housing crisis.
It is highly unlikely that these organizations did a significantly better job with those other lines of business than they did with mortgages. But the extent of those misjudgments will be revealed only once the economy has slowed, as it surely will. At the center of this still-unfolding disaster is the collateralized debt obligation, or CDO. CDOs are not new; they were at the center of a boom and bust in manufactured housing loans in the early 2000s. But in the past several years the CDO market has exploded, fueling not only a mortgage boom but also an expansion of all manner of credit. By one estimate, the face value of outstanding CDOs is nearly $2 trillion. |
But let's begin with the mortgage-backed CDO.
By now almost everyone knows that most mortgages are no longer held by banks until they are paid off. They are packaged with other mortgages and sold to investors much like a bond.
In the simple version, each investor owned a small percentage of the entire package and got the same yield as all the other investors. Then someone figured out that you could do a bigger business by selling them off in portions corresponding to different levels of credit risk. Under this arrangement, if any of the mortgages in the pool defaulted, the riskiest portion would absorb all the losses until its entire investment was wiped out, followed by the next riskiest and the next.
With these portions, or tranches, mortgage debt could be divided among classes of investors. The riskiest tranches, those with the lowest credit ratings, were sold to hedge funds and junk bond funds whose investors wanted the higher yields that went with the higher risk [[and these are the guys that will shortly be baled out by 'Paulson's Plan': normxxx]].
The safest ones, offering lower yields and Treasury-like AAA ratings, were snapped up by risk-averse pension funds and money market funds. The least sought-after tranches were those in the middle, the "mezzanine" tranches, which offered middling yields for supposedly moderate risks.
It is at this point that the banks got the bright idea of buying up a bunch of mezzanine tranches from various pools. Then, using fancy computer models, they convinced themselves and the rating agencies that by repeating the same "tranching" process, they could use these mezzanine-rated assets to create a new set of securities, some of them junk, some mezzanine, but the bulk of them with the "AAA" ratings more investors desired.
It was a marvelous piece of financial alchemy, one that made Wall Street banks and the ratings agencies billions of dollars in fees. And because so much borrowed money was used, the whole thing was so highly leveraged that the returns, at least on paper, were very attractive. What we know now, of course, is that the investment banks and ratings agencies underestimated the risk that mortgage defaults would rise so dramatically that even the "AAA" investments could lose their value.
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And looking across the sector, J.P. Morgan's CDO analysts estimate that there will be at least $300 billion in eventual credit losses, the bulk of which is still hidden from public view. That includes at least $30 billion in additional writedowns at major banks and investment houses, and much more at hedge funds that, for the most part, remain in a state of denial.
As part of the unwinding process, the rating agencies are in the midst of a massive and embarrassing downgrading process that will force many banks, pension funds and money market funds to sell their CDO holdings into a market so bereft of buyers that, in one recent transaction, E-Trade was able to get only 27 cents on the dollar for its highly rated portfolio.
Meanwhile, banks that are forced to hold on to their CDO assets will be required to set aside much more of their own capital as a financial cushion. That will sharply reduce the money they have available for making new loans.
If all this sounds like a financial house of cards, that's because it is. And it is about to come crashing down, with serious consequences not only for banks and investors but for the economy as a whole.
That's not just my opinion. It's why banks are husbanding their cash and why the outstanding stock of bank loans and commercial paper is shrinking dramatically. And it is why Treasury officials are working overtime on plans to stem the tide of mortgage foreclosures and provide a new vehicle to buy up CDO assets.
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Normxxx
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