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    【9月30日】Gift Contagion in Online Groups: Evidence from WeChat Red Packets

    发布日期:2020-09-25  点击数:

    时间:2020 年 09 月 30 日 14:00-16:00.

    地点:沙河校区主教104

    主讲人:刘潇副教授

    主讲人简介:刘潇博士,清华大学经济与管理学院副教授,美国密歇根大学安娜堡分校博士。主要研究兴趣包括公共政策,博弈论,信息经济学,实验经济学和行为经济学。她的研究成果发表在Games and Economic Behavior, Management Science, Experimental Economics, Journal of Economic Behavior and Organization等学术刊物上,主持过国家自然科学等多个基金项目。现担任Journal of Behavior and Experimental Economics期刊编委和Management Science, Journal of Public Economics, Experimental Economics,Games and Economic Behavior等多个知名期刊的匿名评审。

    讲座摘要:Gifts are important instruments to bond interpersonal relationships. Using 36 million online red packets on WeChat, we employ a natural experiment approach to identify in-group contagion of gift giving. We find that, on average, receiving one more dollar causes a recipient to send 18 cents back to the group within the subsequent 24 hours. Moreover, this effect is much stronger for "luckiest draw'' recipients, which suggests a group norm for gift giving. Additionally, we find that gift contagion is affected by in-group friendship network properties, such as the number of in-group friends and the local clustering coefficient

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