财务与金融系学术讲座系列2022年第23讲

来源：财务与金融系

主题：数据隐私的供给和需求：来自移动端App的证据

主讲人：唐瓛（伦敦政治经济学院助理教授）

协调人：许年行、竺圣波

时间：2022年12月2日（周五）下午19:00-20:30

地点：线上会议室

语言：英语

讲座摘要:

This paper investigates how consumers and investors react to the standardized disclosure of data privacy practices. Since December 2020, Apple has required all apps to disclose their data collection practices by filling out privacy ''nutrition'' labels that are standardized and easy to read. We web-scrape these privacy labels and first document several stylized facts regarding the supply of privacy. Second, augmenting privacy labels with weekly app downloads and revenues, we examine how this disclosure affects consumer behavior. Exploiting the staggered release of privacy labels and using the nonexposed Android version of each app to construct the control group, we find that after privacy label release, an average iOS app experiences a 14% (15%) drop in weekly downloads (revenue) when compared to its Android counterpart. The effect is stronger for more privacy-invasive and substitutable apps. Moreover, we observe negative stock market reactions, especially among firms that harvest more data, corroborating the adverse impact on product markets. Our findings highlight data as a key asset for firms in the digital era.

主讲人简介:

唐瓛，伦敦政治经济学院（LSE）任助理教授，2020毕业于巴黎高等商学院（ HEC Paris），获得金融学博士学位。她的主要研究领域是金融科技，数字经济，家庭金融，银行。她曾在RFS, JFE等一流国际期刊上发表过文章，曾获 AQR Top Finance Award  2020 等多项学术奖。

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