A new paper by Luigi Zingales asks whether finance benefits society (hat tip - Ronan Gallagher). In the wake of anti-finance sentiment, Zingales argues that academic financial economists have a duty to promote the right sort of finance. Finance, according to Zingales, can quickly degenerate into rent-seeking activity. Zingales argues that financial economists should use their "research to challenge the existing practices in finance and blow the whistle on what does not work. We should be the watchdogs of the financial industry, nots its lapdogs".
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...