an article by Marco Magnani (University of Padova, Italy) published in Journal of Economic Surveys Volume 34 Issue 2 (April 2020)
Abstract
Online user reviews have become an increasingly relevant informational tool during product search and adoption.
Recent surveys have shown that consumers trust and rely on online reviews more than they do on website recommendations and experts opinions. As a new way of driving consumer purchasing intentions, online user reviews have therefore come under scrutiny by researchers.
The objective of this paper is to offer an overview of the literature regarding the impact of online user reviews on economic indicators (e.g., sales, marketing strategies) and on consumer behaviour.
Furthermore, following the growing interest of academics and professionals alike on the topic, the present work provides an exploratory analysis of the consequences of online reviews on individual rating behaviour – empirical regularities showed that online rating distributions tend to be concentrated on extreme values, possibly because of rating biases.
As consumers and firms incorporate the heuristic cues from such distributions into their decision‐making processes, biased ratings might lead to suboptimal choices.
This overview presents established results (e.g., the impact of volume on product sales) and insights as issues for future research.
Labels:
online_user_reviews, user‐generated_contents, literature_review, eWOM, rating_bubbles,, consumer_behaviour,
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