Tangential, but I took a class with one of the professors in the linked paper (Sethi). It was a great class - many of the homeworks and exam questions were base

Tangential, but I took a class with one of the professors in the linked paper (Sethi). It was a great class - many of the homeworks and exam questions were based around Intrade. (We didn't trade any actual money, but it really helped to illustrate the concepts of financial economics, which can get very abstract).