mortgage putbacks

This Bloomberg article about accounting differences between the US and Europe for derivative-y things comes down pretty squarely on the side of Europe, which is to be expected: European (well, IFRS) standards tend to gross up the size of bank balance sheets, compared to US GAAP standards. Grossing up bank balance sheets makes for bigger numbers and scarier banks, and “US banks are scarier than they seem” is more newsworthy than “European banks are less scary than they seem.” Also intuitively truer. As Bloomberg puts it:

U.S. accounting rules allow banks to record a smaller portion of their derivatives than European peers and keep most mortgage-linked bonds off their books. That can underestimate the risks firms face and affect how much capital they need.

Or it can overestimate the risk European firms face. Or any estimating of risks based on any measure of balance-sheet size is necessarily indeterminate. Risk happens tomorrow, not yesterday.

Anyway though some of these accounting differences are puzzling insofar as they are not accounting differences. Here is the mortgage bond one: Read more »