The effect of an `None of the above' ballot paper option on voting behavior and election outcomes

27.03.2019 14:15 – 15:45

INSTITUTE OF ECONOMICS AND ECONOMETRICS SEMINAR / ABSTRACT

We investigate how an explicit blank vote option "None of the above" (NOTA) on the ballot paper affects voting behavior and election results in political elections where non-establishment candidates are on the ballot.

We report evidence from two online field experiments conducted in the weeks preceding the 2016 U.S. Presidential Election and the 2016 Austrian run-off election for President. The two elections are special because in the U.S. election one firmly establishment candidate (Hillary Clinton) was facing a self-declared non-establishment candidate (Donald Trump), while in the Austrian election, both candidates were from outside the traditional political establishment.

In our online experiments, we subjected participants either to the original ballot paper or to a manipulated ballot paper where we added a NOTA option. We find that participants with a protest motive, who are either unhappy with the candidate set or with the political establishment in general, choose NOTA.

Introducing a NOTA option on the ballot reduces the vote shares of non-establishment candidates.

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