QUOTE (Noel @ Jul 10 2008, 04:25 PM)

"Synthetic CDOs (which are, at least, related to CDSs) are, however, fascinating - because they represent a strategy by which risk may have bee concentrated in unexpected places"
But why could this not be the case with indices or single name (that can also efectively trade on margin),or are you saying people don't understand the models?
I think that a single-name CDS is easily described and understood by the technically inept... I think that people are comfortable with the idea that there is a possibility - no matter how small - that any single company could fail - and hence they will tend not to ignore the default risk. With synthetic CDOs, by virtue of being tranched, I think that the complexity of the instrument may well lead people to believe that the risk has disappeared... whereas, in reality, it is simply not accounted because, to do so, would be too difficult to do accurately. I think this may well have lead to blind spots among those responsible for corporate governance and regulation... and that it is in these blind spots that significant risks accumulate.
I think that the issue is not so much if people understand their models, but rather, if their models are stable in the context of the Chinese-whispers game that is executive summary. I think, because I (arrogantly, perhaps) have an extremely low estimate of typical intelligence (especially among the successful) it extremely likely that any model that isn't entirely trivial will be utterly misinterpreted - and that this effect will be exaggerated whenever there are perverse incentives (such as annual bonuses, for example).
QUOTE (Noel @ Jul 10 2008, 04:25 PM)

"I'm less interested in indices too - since, unless I'm absolutely sure exactly whom is in and whom out of the index, it is rather difficult to extrapolate any real-world conclusions."
I would disagree, as the indices are the most liquid of all the products, show can show what people are thinking (look at movements in ITRAXX XOver)
I don't deny that the indices are liquid... I doubt that they're measuring a meaningful quantity. I think that the indices are extremely susceptible to the effects of systemic feedback - causing them to fall when they fall - and rise when they rise.... entirely independently of anything in the "real world"... rather similar to stocks and shares years ago (possibly today too) where the majority of the investors had scant understanding of the fundamentals.
P.S. Do we have statistics in the size and growth of the synthetic corporate CDO market?