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The pattern of online reviews
Schönmüller, Verena
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Netzer, Oded
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Stahl, Florian
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Dokumenttyp:
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Präsentation auf Konferenz
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Erscheinungsjahr:
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2017
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Veranstaltungstitel:
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39th Annual Marketing Science Conference
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Veranstaltungsort:
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Los Angeles, CA
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Veranstaltungsdatum:
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07.–10.06.2017
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Sprache der Veröffentlichung:
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Englisch
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Einrichtung:
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Fakultät für Betriebswirtschaftslehre > Quantitatives Marketing und Konsumentenverhalten (Stahl 2013-)
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Fachgebiet:
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330 Wirtschaft
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Abstract:
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Past research has highlighted that online reviews follow a J-shaped distribution implying that reviews are skewed to the positive end of the rating scale, with a few reviews in the mid-range and some reviews at the negative end of the scale. But so far the prevalence and reasons behind the J-shaped distribution of product reviews have been largely neglected in previous research. In this research we aim at 1) investigating the robustness of the J-shaped distribution, 2) understanding its drivers and 3) analyzing its impact on consumer behavior. Building on a large set of online reviews - over 78 million reviews from 16 major online platforms, we identify a robust J-shaped distribution on many but not all of the platforms and product categories. Using secondary datasets, survey data and lab experiments, we demonstrate that the J-shaped distribution is primarily driven by self-selection mechanisms while we rule out multiple alternative explanations of the J-shaped distribution such as review fraud and scale truncation mechanisms. Finally, we show how the J-shaped distribution can affect the informativeness of the reviews as well as the key measures of online reviews (the average rating and the number of reviews).
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 Suche Autoren in
BASE:
Schönmüller, Verena
;
Netzer, Oded
;
Stahl, Florian
Google Scholar:
Schönmüller, Verena
;
Netzer, Oded
;
Stahl, Florian
ORCID:
Schönmüller, Verena, Netzer, Oded and Stahl, Florian  ORCID: https://orcid.org/0000-0002-2846-3424
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