Law Commons^™

Prediction Markets And Law: A Skeptical Account, Rebecca Haw Allensworth

Vanderbilt Law School Faculty Publications

Enthusiasm for "many minds" arguments has infected legal academia. Scholars now champion the virtues of groupthink, something once thought to have only vices. It turns out that groups often outperform individuals in aggregating information, weighing alternatives, and making decisions. And although some of our legal institutions, such as Congress and juries, already harness the power of the crowd, others could be improved by multiplying the number of minds at work. "Multiplying" implies a simple mathematical formula for improving decisionmaking; modern many minds arguments are more sophisticated than that. They use incentive analyses, game theory, and statistics to study how and …