Tag Archives: Christopher Wlezien

Professor Christopher Wlezien on his research on how election prediction markets compare to polls.

Professor Christopher Wlezien on his research on how election prediction markets compare to polls: Markets vs. Polls as Predictors: An Historical Assessment of US Presidential Elections – (PDF file) – by Robert S. Erikson and Christopher Wlezien

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POLLS VERSUS PREDICTION MARKETS: Justin Wolfers retorts to Bob Erikson.

Justin Wolfers (in January 2008): 1. Bob and Chris has four elections in their data, so it is hard to draw too much from it. That said, I draw two conclusions. First, markets beat an unconditional use of polls as … Continue reading

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Based on market data from a tiny prediction exchange (IEM, which is much smaller than InTrade-TradeSports or BetFair), a couple of researchers claim that prediction markets do not have superior predictive power. — And, adding salt to injury, they call our prediction market luminaries (Robin Hanson, Justin Wolfers, etc.)… “naive”.

Via Adam Siegel… …of Inkling Markets fame…. – Are Political Markets Really Superior to Polls as Election Predictors? – (draft: PDF file) – by Robert S. Erikson and Christopher Wlezien – 2008-05-02 Abstract Election markets have been praised for their … Continue reading

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