Bitte verwenden Sie diesen Link, um diese Publikation zu zitieren, oder auf sie als Internetquelle zu verweisen: https://hdl.handle.net/10419/319210 
Erscheinungsjahr: 
2025
Schriftenreihe/Nr.: 
CESifo Working Paper No. 11842
Verlag: 
CESifo GmbH, Munich
Zusammenfassung: 
We study the competitive impact of content moderation by a dominant online platform. We exploit an exogenous shock that led the largest adult content platform to remove all non-verified content, eliminating 80% of its video library. Using a difference-in-differences approach and leveraging on daily website-country level traffic data, we find that this policy resulted in a 41% drop in traffic within one month, suggesting strong user preferences for the removed content. However, much of the displaced traffic was absorbed by competing platforms, including both mainstream rivals and less regulated fringe websites. Over six months, fringe sites experienced a 55% increase in visits, far outpacing the 10% growth of mainstream competitors. Search engines played a critical role in this reallocation: fringe platforms saw a surge in traffic from search referrals and aggregators, as users actively sought alternative content sources. We document an intensification of competition in search: the leading platform became more aggressive towards copyright-infringing rivals, strategically using DMCA filings to remove competing content from search results. Our findings highlight how asymmetric exposure to content moderation shocks can reshape market competition, drive consumers toward less regulated spaces, and alter substitution patterns across platforms.
Schlagwörter: 
content moderation
platforms
adult websites
search.
JEL: 
D83
K42
L82
O39
Dokumentart: 
Working Paper
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