Asia Pacific Journal of Information Systems (APJIS)

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Current Issue

Date	June 2025
Vol. No.	Vol. 35 No. 2
DOI	https://doi.org/10.14329/apjis.2025.35.2.343
Page	343~366
Title	How Does Receipt-Based Consumer Verification Affect Online Reviews?
Author	Taeyoung Kim, Il Im, Jaecheol Park, Youngsok Bang
Keyword	Online Review, Receipt-based Verification, Verified Purchase Review, Fatigue Effect
Abstract	Online product (or service) review platforms are increasingly incorporating receipt-based consumer verification as a means of filtering out fake reviews. In this method, consumers are required to upload a photocopy of their receipt before they can write a review. This study aims to examine how this additional step before writing a review impacts the length and ratings of the online review. We analyze a large-scale database of reviews obtained from a prominent Korean portal that initially featured a platform-verified review system only but later introduced a receipt-based consumer-verified review system. The unique contextual setting, a single platform offers both platform-verified and consumer-verified review systems, enables us to compare review elements between the two different systems without being concerned about potential effects arising from differences in platform characteristics. We found that receipt-based consumer verification leads to shorter and more negative reviews compared to platform verification. We also found that the introduction of a consumer-verified review system reduced the average review duration in the platform-verified review system. We discuss the theoretical and managerial implications of the study.

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