NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH
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Caroline Le Pennec

University of California at Berkeley

E-Mail: EmailAddress: hidden: you can email any NBER-related person as first underscore last at nber dot org
Institutional Affiliation: University of California at Berkeley

NBER Working Papers and Publications

December 2019Vote Choice Formation and Minimal Effects of TV Debates: Evidence from 61 Elections in 9 OECD Countries
with Vincent Pons: w26572
We use 201,000 observations from repeated survey data in 61 elections and 9 OECD countries since 1952 to study the formation of vote choices and policy preferences in the electoral season and assess how TV debates contribute to this process. We find that the share of voters who state a pre-election vote intention corresponding to their final vote choice increases by 15 percentage points in the two months preceding the election. Changes in individual vote choices mostly result from changes in beliefs on competing candidates and in issue salience, and they generate aggregate shifts in predicted vote shares. Instead, policy preferences remain remarkably stable over time. We use an event study to estimate the impact of TV debates, and find that they affect significantly neither individual vote...
 
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