信息管理与商业智能系讲座（5月19日）
题目：The Impact of Crowd-Based Adjudication on Transaction Behavior: Evidence from a Natural Experiment
主讲人：李根 副教授 信息管理与商业智能系
时间：2026-05-19 13:30-14:30
地点：李达三楼105室
内容摘要:Consumer-to-consumer (C2C) marketplaces frequently face disputes between buyers and sellers, particularly on secondhand trading platforms where product quality is difficult to verify and formal enforcement mechanisms are limited. To address these challenges, platforms have introduced crowd-based adjudication systems that allow users to serve as peer jurors in dispute resolution. We examine how participation in such systems affects users’ subsequent transactional behavior. We exploit a natural experiment in which the platform implements a peer-based adjudication system that allows users to serve as jurors. Employing a staggered difference-in-differences design on a matched sample of jurors and non-jurors, we find that juror participation leads to a 19\% increase in transaction volume relative to comparable non-jurors. We provide evidence that social learning is a key mechanism underlying this spillover effect. Additional analyses show that this effect is stronger for users who engage more intensively in the adjudication process. Our paper offers practical implications for platform design, suggesting that involving users in adjudication roles can foster more active participation beyond dispute resolution.
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