James Buchanan, the Nobel-prize winning economist, died yesterday at the age of 93. Buchanan is most famous for pioneering public choice theory, which advocates the application of economic analysis to public policy and political science. You can read obits here and here. A free primer on public choice theory is available here and a very good encyclopedia entry is here. One of the key insights of public choice is that we should be concerned more about the institutional framework of our political systems rather than the personalities of our politicians.
Daron Acemoglu, Simon Johnson, Amir Kermani, James Kwak and Todd Mitton have written a paper on whether firms connected to Timothy Geithner benefited from these connections. They do so by looking at how stocks of these firms reacted to the announcement that he was a nominee for Treasury Secretary in November 2008. They find that there were large abnormal returns for connected firms. Below is the paper's abstract and the full paper is available here . The announcement of Timothy Geithner as nominee for Treasury Secretary in November 2008 produced a cumulative abnormal return for financial firms with which he had a connection. This return was about 6% after the first full day of trading and about 12% after ten trading days. There were subsequently abnormal negative returns for connected firms when news broke that Geithner's confirmation might be derailed by tax issues. Excess returns for connected firms may reflect the perceived impact of relying on the advice of a small ne...