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Review of Economic Studies Vol. 78 No. 2 2011

A Spatial Theory of Media Slant and Voter Choice

John Duggan1; César Martinelli2

1 University of Rochester · 2 CIE-ITAM

Abstract

We develop a theory of media slant as a systematic filtering of political news that reduces multidimensional politics to the one-dimensional space perceived by voters. Economic and political choices are interdependent in our theory: expected electoral results influence economic choices, and economic choices in turn influence voting behaviour. In a two-candidate election, we show that media favouring the front-runner will focus on issues unlikely to deliver a surprise, while media favouring the underdog will gamble for resurrection. We characterize the socially optimal slant and show that it coincides with the one favoured by the underdog under a variety of circumstances. Balanced media, giving each issue equal coverage, may be worse for voters than partisan media.

DOI
10.1093/restud/rdq009
Volume
78
Issue
2
Pages
640-666
Language
en
Sources
bibtex:phds-export.bib openalex crossref

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