Could think tanks impact the socially valuable prediction markets? Posted on November 25, 2009 by admin – Matt Yglasias on the possibility of manipulations. – Robin Hanson rebuts scientifically. Related PostsThe Robin Hanson manipulation papers make unrealistic assumptions, but its not like prediction markets are a bad idea…!!…Feedback trading in prediction marketsWORLDS #1 PREDICTION MARKET GURU PINCHES THE NOSES OF NOBEL LAUREATE GARY NECKER AND JUDGE RICHARD POSNER.