Corrupt like a senator

Washington beats the market:

A 2004 study of the results of stock trading by United States Senators during the 1990s found that that Senators on average beat the market by 12% a year. In sharp contrast, U.S. households on average underperformed the market by 1.4% a year and even corporate insiders on average beat the market by only about 6% a year during that period. A reasonable inference is that some Senators had access to – and were using – material nonpublic information about the companies in whose stock they trade.

I suppose they’re just all super-skilled econ-savvy investors, but their performance during the ongoing financial crisis argues convincingly against that.