Friday, February 5, 2021

Impact of Market Structure on Regulatory Compliance: Evidence from Online Censorship in China

Impact of Market Structure on Regulatory Compliance: Evidence from Online Censorship in China

 

Z. Jessie Liu

Johns Hopkins University - Carey Business School

Abstract

This paper studies the role of market structure in regulatory compliance through a unique empirical example: censorship via content removal by three major live-streaming platforms in China. Adopting an event study approach, this paper exploits the unexpected occurrence of 30 salient events over two years and shows that platforms of different sizes censor a different number of keywords with notably different delays. This paper then develops a structural model where the platform’s profit depends on its own censorship action as well as that of its competitors, induced by the switching behavior of users with heterogeneous preferences for censorship. By complying with the government’s censorship request, platforms may lose users who prefer to evade censorship by switching out. By not complying, platforms incur a cost imposed by the government that is positively correlated with their sizes, but it also allows them to attract new users from their competitors that obey the censorship requests. The model predicts that while large platforms censor more often than their small competitors due to higher political cost, centralizing market power via merging or shutting down small platforms does not necessarily generate more censorship in the marketplace.

https://lawprofessors.typepad.com/antitrustprof_blog/2021/02/impact-of-market-structure-on-regulatory-compliance-evidence-from-online-censorship-in-china.html

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