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Glazer, Jacob, Herrera, Helios and Perry, Motty (2021) Fake reviews. Economic Journal, 131 (636). pp. 1772-1787. doi:10.1093/ej/ueaa124 ISSN 0013-0133.
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Official URL: https://doi.org/10.1093/ej/ueaa124
Abstract
We propose a model of product reviews in which some are genuine and some are fake in order to shed light on the value of information provided on platforms like TripAdvisor, Yelp, etc. In every period, a review is posted which is either genuine or fake. We characterize the equilibrium of the dynamic model and prove that it is unique. In equilibrium, valuable learning takes place in every period. Fake reviews, however, do slow down the learning process. It is established that any attempt by the platform to manipulate the reviews is counterproductive.
Item Type: | Journal Article | ||||||||
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Subjects: | H Social Sciences > HF Commerce P Language and Literature > PN Literature (General) |
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Divisions: | Faculty of Social Sciences > Economics | ||||||||
Library of Congress Subject Headings (LCSH): | Online social networks, Fake news, Consumer satisfaction, Internet users -- Attitudes, Data mining -- Online social networks, Data mining -- Moral and ethical aspects, Disinformation | ||||||||
Journal or Publication Title: | Economic Journal | ||||||||
Publisher: | Oxford University Press | ||||||||
ISSN: | 0013-0133 | ||||||||
Official Date: | May 2021 | ||||||||
Dates: |
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Volume: | 131 | ||||||||
Number: | 636 | ||||||||
Page Range: | pp. 1772-1787 | ||||||||
DOI: | 10.1093/ej/ueaa124 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Reuse Statement (publisher, data, author rights): | This is a pre-copyedited, author-produced version of an article accepted for publication in Economic Journal following peer review. The version of record Jacob Glazer, Helios Herrera, Motty Perry, Fake Reviews, The Economic Journal, ueaa124, and is available online at:https://doi.org/10.1093/ej/ueaa124 | ||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||
Date of first compliant deposit: | 15 October 2020 | ||||||||
Date of first compliant Open Access: | 29 October 2022 | ||||||||
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