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Do Polls Or Markets Forecast Better? Evidence From The 2010 Us Senate Elections

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  • Leighton Vaughan Williams
  • Blake Saville
  • Herman Stekler

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.

Suggested Citation

  • Leighton Vaughan Williams & Blake Saville & Herman Stekler, 2011. "Do Polls Or Markets Forecast Better? Evidence From The 2010 Us Senate Elections," Journal of Prediction Markets, University of Buckingham Press, vol. 5(3), pages 64-74.
    • Handle: RePEc:buc:jpredm:v:5:y:2011:i:3:p:64-74
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    JEL classification:

    • L83 - Industrial Organization - - Industry Studies: Services - - - Sports; Gambling; Restaurants; Recreation; Tourism

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