Tabulating the Credit Crunch’s Effects: One Educated Guess

In a recent paper, David Greenlaw, Jan Hatzius, Anil K Kashyap, Hyun Song Shin exposed us outsiders to the inside workings of those estimates we see of how the credit crunch affects output. The paper, entitled “Leveraged Losses: Lessons from the Mortgage Market Meltdown”, was widely covered ([1], [2], [3], Calculated Risk, Big Picture) but I still think that the conclusions, as well as the methodology, bear some repeating for emphasis. And in any case, it’s a long paper, and different people have focused on different aspects.

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House prices falling and worries rising

Today we received updates on U.S. house prices from two different sources. The OFHEO national house price index recorded a 1.3% decline in the price of a typical U.S. home during the fourth quarter of 2007, while the S&P/Case-Shiller home price index registered a 5.7% decline during the last three months of 2007. Here in San Diego, the respective numbers showed a 2.6% decline according to OFHEO and 9.1% decline from Case-Shiller during the quarter. For the year as a whole, Case-Shiller calculates that home prices fell 9.8% nationally and 15% locally.

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