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来源类型 | Discussion paper |
规范类型 | 论文 |
来源ID | DP16147 |
DP16147 Bias in expert product reviews | |
Ben Vollaard; Jan C. van Ours | |
发表日期 | 2021-05-13 |
出版年 | 2021 |
语种 | 英语 |
摘要 | Hard evidence on bias in expert reviews and its consequences for ratings is rare. This holds particularly true for conflicts of interest that are thought to be common in non-blind product reviews but are not readily observable: ad hoc relationships between reviewers and producers. We present a textbook case of a long-running expert product review in the food service industry for which we happen to know the reviewer's conflict of interest: being affiliated to one particular producer. As is typical, only insiders were aware of the possible source of bias in the review. The review resembles other non-blind tests of product quality. We obtained detailed data to map the consequences of the conflict of interest. We find evidence of a sizable bias in the reviewers' ratings. Our findings suggest that reviewers' ad hoc relationships with producers, often dismissed as `coming with the job', can be very harmful. |
主题 | Industrial Organization |
URL | https://cepr.org/publications/dp16147 |
来源智库 | Centre for Economic Policy Research (United Kingdom) |
资源类型 | 智库出版物 |
条目标识符 | http://119.78.100.153/handle/2XGU8XDN/545120 |
推荐引用方式 GB/T 7714 | Ben Vollaard,Jan C. van Ours. DP16147 Bias in expert product reviews. 2021. |
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