Exit polls, turnout, and bandwagon voting: Evidence from a natural experiment

We exploit a voting reform in France to estimate the causal effect of exit poll information on turnout and bandwagon voting. Before the change in legislation, individuals in some French overseas territories voted after the election result had already been made public via exit poll information from m...

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Published inEuropean economic review Vol. 77; pp. 65 - 81
Main Authors Morton, Rebecca B., Muller, Daniel, Page, Lionel, Torgler, Benno
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier B.V 01.07.2015
Elsevier Sequoia S.A
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ISSN0014-2921
1873-572X
DOI10.1016/j.euroecorev.2015.03.012

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Summary:We exploit a voting reform in France to estimate the causal effect of exit poll information on turnout and bandwagon voting. Before the change in legislation, individuals in some French overseas territories voted after the election result had already been made public via exit poll information from mainland France. We estimate that knowing the exit poll information decreases voter turnout by about 11 percentage points. Our study is the first clean empirical design outside of the laboratory to demonstrate the effect of such knowledge on voter turnout. Furthermore, we find that exit poll information significantly increases bandwagon voting; that is, voters who choose to turn out are more likely to vote for the expected winner.
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ISSN:0014-2921
1873-572X
DOI:10.1016/j.euroecorev.2015.03.012