Robin Hanson in a comment on Marginal Revolution:
This is important work for organizational sociology, but not for prediction markets, as this does little to help us find and field high value markets.
Finally, somebody who speaks the truth.
See also the comment of economist Michael Giberson.
Related Links: Using Prediction Markets to Track Information Flows: Evidence From Google – (PDF file – PDF file) – by Bo Cowgill (Google economic analyst), Justin Wolfers (University of Pennsylvania) and Eric Zitzewitz (Dartmouth College)