Externalities in knowledge production: evidence from a randomized field experiment


Hinnosaar, Marit ; Hinnosaar, Toomas ; Kummer, Michael E. ; Slivko, Olga


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URL: https://madoc.bib.uni-mannheim.de/51271
URN: urn:nbn:de:bsz:180-madoc-512711
Document Type: Working paper
Year of publication: 2019
The title of a journal, publication series: ZEW Discussion Papers
Volume: 19-007
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: C93 , L17 , L86,
Keywords (English): Knowledge accumulation , user-generated content , Wikipedia
Abstract: Do contributions to online content platforms induce a feedback loop of ever more user-generated content or will they discourage future contributions? To assess this, we use a randomized field experiment which added content to some pages in Wikipedia while leaving similar pages unchanged. We find that adding content has a negligible impact on the subsequent long-run growth of content. Our results have implications for information seeding and incentivizing contributions, implying that additional content does not generate sizable externalities, neither by inspiring nor by discouraging future contributions.

Das Dokument wird vom Publikationsserver der Universitätsbibliothek Mannheim bereitgestellt.




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Hinnosaar, Marit ; Hinnosaar, Toomas ; Kummer, Michael E. ; Slivko, Olga (2019) Externalities in knowledge production: evidence from a randomized field experiment. Open Access ZEW Discussion Papers Mannheim 19-007 [Working paper]
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