Helpful or Harmful? Negative Behavior Toward Newcomers and Welfare in Online Communities

Florian Pethig, Hartmut Hoehle, Kai-Lung Hui and Andreas Lanz
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Florian Pethig: University of Mannheim = Universität Mannheim
Hartmut Hoehle: University of Mannheim = Universität Mannheim
Andreas Lanz: HEC Paris - Ecole des Hautes Etudes Commerciales

Working Papers from HAL

Abstract: Newcomers are important for the survival of online communities, but their contributions often receive negative reactions and comments from established members. Online communities realize that such negativity can take a toll on newcomers and harm the creation of user-generated content. We study a novel intervention aimed at reducing hostility toward newcomers: a "newcomer nudge" that informs community members when they are interacting with a newcomer's post and asks them to be more lenient toward its creator. Taking advantage of granular data from a large deal-sharing community and a natural experiment, we use a difference-in-differences approach and find robust evidence that the newcomer nudge induced members to write 46% more responses per day with 10% fewer negative words during the first two days after a deal was published. Our results show that the nudge-induced change in behavior toward newcomers increased newcomer retention. However, we also observe that before the nudge, newcomers' second posts received more net votes (upvotes minus downvotes) than their first posts. After the nudge, newcomers' subsequent posts were less popular than their first posts, which indicates that the nudge interrupted newcomers' learning curve by suppressing helpful feedback.

Keywords: Online communities; nudges; newcomers; community welfare; natural experiment (search for similar items in EconPapers)
Date: 2021-09-06
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Persistent link: https://EconPapers.repec.org/RePEc:hal:wpaper:hal-03501749

DOI: 10.2139/ssrn.3936971

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