You Can Bet on Idea Markets

In July 2003, idea markets made an unexpected appearance in the headlines as the Pentagon was taken to task for its plan to use one to help pinpoint potential terrorism targets. The market would have allowed participants to trade opinions on where terrorists were most likely to strike in much the same way as one trades securities or commodities in other markets. Officials believed they could learn something worthwhile from the relative value that traders placed on different targets.

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