If you are a male American, you are likely participating in a pool
predicting the outcomes of the games of the NCAA basketball
tournament. How are you doing? Have you been eliminated yet? Not such
an easy question to answer as it turns out. Six MIT grad students have
recently
shown
it is NP-complete to decide if you can still win the pool.
Dave Pennock pointed out that there have been many articles in the popular
press about information
markets including a piece
in the New Yorker.
Pennock also mentioned the Iowa Electronic
Markets, which allows limited legal trading in certain
political markets.