Combating online hate speech: The impact of legislation on Twitter


Andres, Raphaela ; Slivko, Olga


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URL: https://madoc.bib.uni-mannheim.de/61783
URN: urn:nbn:de:bsz:180-madoc-617834
Document Type: Working paper
Year of publication: 2021
The title of a journal, publication series: ZEW Discussion Papers
Volume: 21-103
Place of publication: Mannheim
Publication language: English
Institution: Sonstige Einrichtungen > ZEW - Leibniz-Zentrum für Europäische Wirtschaftsforschung
MADOC publication series: Veröffentlichungen des ZEW (Leibniz-Zentrum für Europäische Wirtschaftsforschung) > ZEW Discussion Papers
Subject: 330 Economics
Classification: JEL: H41 , J15 , K42 , L82 , L86,
Keywords (English): Social networks , user-generated contents , hate speech , policy evaluation
Abstract: We analyze the impact of the Network Enforcement Act, the first regulation which aims at restraining hate speech on large social media platforms. Using a difference-in- differences framework, we measure the causal impact of the German law on the prevalence of hateful content on German Twitter. We find evidence of a significant and robust decrease in the intensity and volume of hate speech in tweets tackling sensitive migration-related topics. Importantly, tweets tackling other topics as well as the tweeting style of users are not affected by the regulation, which is in line with its aim. Our results highlight that legislation for combating harmful online content can influence the prevalence of hate speech even in the presence of platform governance mechanisms




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