DO POLLS OR MARKETS FORECAST BETTER? EVIDENCE FROM THE 2010 US SENATE ELECTIONS

Leighton Vaughan Williams (), Blake Saville and Herman Stekler

Journal of Prediction Markets, 2011, vol. 5, issue 3, 64-74

Abstract: In this paper, we seek to examine how well prediction markets performed, compared to opinion polls, in forecasting the outcome of the 2010 US Senate elections. Prediction markets are speculative or betting markets created or employed for the purpose of aggregating information and making predictions. To do this, we used data from the 2010 US Senate election campaigns, comparing the performance of an established prediction market with opinion polls. Overall we found no significant difference in the forecasting ability of the polls and prediction markets in the Senate races under examination.

JEL-codes: L83 (search for similar items in EconPapers)
Date: 2011
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Journal of Prediction Markets is currently edited by Leighton Vaughan Williams, Nottingham Business School

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