In a forthcoming paper in the Quarterly Journal of Economics, Meghan Busse and her co-authors ask if weather conditions affect car purchasing decisions. They find that the choice to purchase a 4x4 or convertible is highly dependent on weather conditions at the time of purchase, which is inconsistent with classical utility theory. Psychological biases such as projection bias and salience seem to explain their findings. The paper is available here.
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...