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中国金融论坛第四十三期:Movie Review Manipulation — A Study of Douban.com
时间:2019-06-10作者:

讲座题目:Movie Review Manipulation — A Study of Douban.com

主 讲 人:侯晨雪 博士

时   间:2019年6月11日(周二)下午13:30

地   点:3-300

主办单位:中国金融研究院

欢迎大家参与!



主讲人简介

  侯晨雪, 现任中山大学岭南学院经济学助理教授,香港大学经济学博士。主要研究领域为产业组织经济学、应用计量经济学、数量市场营销和数字经济。


  Abstract

        Firms motivate to manipulate reviews since online reviews have a direct influence on their product sales. However, surrounded by promotional reviews, consumers might be misled or mistrust reviews. We present a rational expectation model of review manipulation to explain the effect of review fraud in the motion picture industry. Using the data of Douban.com, we measure review fraud of movies by examining the difference in reviews between the opening week and off-theater period. We find that movies with high quality are less likely to commit review frauds. Moreover, promotional reviews do not help to improve box office performance. Finally, it is costly for the producer to post a fake review and the cost of posting a fake review depends on movie characteristics.

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