Panova, Elena (2026) Media market structure and confirmatory news. Journal of Industrial Economics. (In Press)

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Identification Number : 10.1111/joie.70029

Abstract

This paper studies the effect of media market competition on confirmatory bias, the tendency to confirm common priors to appear competent, while accounting for both single- and multi-homing. It finds that competition helps sustain informative reporting when priors are relatively precise, but has the opposite effect when priors are diffuse. The reason is that when competing outlets are perceived as similarly competent, consumers optimally multi-home. This creates strategic complementarity in informative reporting and helps sustain it when the priors are relatively precise. However, when perceived competencies diverge, consumers single-home with the outlet they view as most competent, creating incentives for confirmatory reporting when the priors are diffuse.

Item Type: Article
Language: English
Date: March 2026
Refereed: Yes
Uncontrolled Keywords: confirmation bias, competition, single- and multi-homing
JEL Classification: D82 - Asymmetric and Private Information
L10 - General
L82 - Entertainment; Media (Performing Arts, Visual Arts, Broadcasting, Publishing, etc.)
Subjects: B- ECONOMIE ET FINANCE
Divisions: TSE-R (Toulouse)
Site: UT1
Date Deposited: 11 Jun 2026 13:17
Last Modified: 11 Jun 2026 13:17
OAI Identifier: oai:tse-fr.eu:131855
URI: https://publications.ut-capitole.fr/id/eprint/53747

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