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Megan McArdle

Megan McArdle - Megan McArdle is a senior editor for The Atlantic who writes about business and economics. She has worked at three start-ups, a consulting firm, an investment bank, a disaster recovery firm at Ground Zero, and The Economist. She is currently on leave.
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Megan was born and raised on the Upper West Side of Manhattan, and yes, she does enjoy her lattes, as well as the occasional extra-dry skim-milk cappuccino. Her checkered work history includes three start-ups, four years as a technology project manager for a boutique consulting firm, a summer as an associate at an investment bank, and a year spent as sort of an executive copy girl for one of the disaster-recovery firms at Ground Zero � all before the age of 30.

While working at Ground Zero, Megan started Live From the WTC, a blog focused on economics, business, and cooking. She may or may not have been the first major economics blogger, depending on whether we are allowed to throw outlying variables such as Brad Delong out of the set. From there it was but a few steps down the slippery slope to freelance journalism. She has worked in various capacities for The Economist, where she wrote about economics and oversaw the founding of Free Exchange, the magazine's economics blog. She has also maintained her own blog, Asymmetrical Information, which moved to The Atlantic, along with its owner, in August 2007.

Megan holds a bachelor's degree in English literature from the University of Pennsylvania and an M.B.A. from the University of Chicago. After a lifetime as a New Yorker, she now resides in northwest Washington, D.C., where she is still trying to figure out what one does with an apartment larger than 400 square feet.

What To Do About the Ratings Agencies?

By Megan McArdle
Oct 2 2009, 3:44 PM ET Comment

Yesterday, I asked what we should do about the fact that ratings agencies were so drastically underestimating tail risk of the securities they rated.  Today, Joe Wiesenthal at Clusterstock offers a possible solution:



Everyone seems to agree that the ratings agency system needs reforming, but nobody seems to have any idea how to do it, probably because there's so much confusion about the problem.

It's a big misconception that the problem has something to do with the pay-to-play model. The idea that the ratings agencies were compromised because they were paid by the debt issuer makes some logical sense, but in reality, all those AAA ratings were the result of buyers looking for zero-risk products, and a desire to manufacture them.

For clear reasons we can't go to buyer pays, because then all the buyers would have different ratings, and that's problematic since ratings are used for regulatory purposes (i.e. you have to show that you're holding a certain percentage of your assets in AAA-rated securities). Besides, in the age of electronic media, there's no easy way to have a business model just selling research.

Another problem is the cartel aspect -- S&P, Moody's, and Fitch are insulated from competition, but then, you can't just have anyone rate debt, because then you get Tom, Dick, and Harry's Ratings Agency Shop putting AAAs on everything.

So here's the answer.

You create a pool of 10 companies licensed to rate debt. When an issuer wants to bring a security of some sort to market, they tell some central body, and a rater is selected at random from the 10. There's no changing it once a name is selected. Thus the debt issuer can't go ratings-agency shopping if they're worried about what kind of ratings they can get.

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