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Reciprocity in Peer Assessments

Author

Listed:
  • Lunzheng Li
  • Philippos Louis
  • Zacharias Maniadis
  • Dimitrios Xefteris

Abstract

Peer assessment’s reliability can be undermined when participants behave strategically. Using a formal model we show how reciprocity can lead to reviewers inflating their rating of each others’ work, which is exacerbated when review takes place sequentially. We conduct a pre-registered online experiment and we find that reviewers engaged in mutual-review relationships inflate their reports more, compared to when reviews are one-sided. For sequential reviews, a non-trivial fraction of first movers maximally over-report. In accordance to our theoretical model, we also find that second movers are responsive to the review they received, but only when reviews are mutual. This reveals the potential for a quid-pro-quo element in mutual reviews. Our results highlight the importance of appropriately structuring peer assessment to take strategic reciprocity motives into account and ensure the system’s reliability.

Suggested Citation

  • Lunzheng Li & Philippos Louis & Zacharias Maniadis & Dimitrios Xefteris, 2024. "Reciprocity in Peer Assessments," University of Cyprus Working Papers in Economics 06-2024, University of Cyprus Department of Economics.
    • Handle: RePEc:ucy:cypeua:06-2024
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    File URL: https://papers.econ.ucy.ac.cy/RePEc/papers/06-2024.pdf
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    More about this item

    Keywords

    Reciprocity; Lying; Peer Assessment; Experiment;
    All these keywords.

    JEL classification:

    • D9 - Microeconomics - - Micro-Based Behavioral Economics
    • L2 - Industrial Organization - - Firm Objectives, Organization, and Behavior
    • M5 - Business Administration and Business Economics; Marketing; Accounting; Personnel Economics - - Personnel Economics

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