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Public Opinion Polls, Voter Turnout, and Welfare: An Experimental Study

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Abstract

We experimentally study the impact of public opinion poll releases on voter turnout and welfare in a participation game. We find higher turnout rates when polls inform the electorate about the levels of support for various candidates than when polls are prohibited. Distinguishing between allied and floating voters, our data show that this increase in turnout is entirely due to floating voters. Very high turnout is observed when polls indicate equal support levels for the candidates. This has negative consequences for welfare. Though in aggregate social welfare is hardly affected, majorities benefit more often from polls than minorities. Finally, our comparative static results are better predicted by quantal response (logit) equilibrium than by Bayesian Nash equilibrium.

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  • Jens Großer & Arthur Schram, 2007. "Public Opinion Polls, Voter Turnout, and Welfare: An Experimental Study," Labsi Experimental Economics Laboratory University of Siena 014, University of Siena.
  • Handle: RePEc:usi:labsit:014
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    Keywords

    laboratory experiments.;

    JEL classification:

    • C92 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Group Behavior

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