Sentiment and bias in performance evaluation by impartial arbitrators

Liam J. A. Lenten, Paul Crosby, Jordi McKenzie

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


This study investigates whether relative performance evaluations of labor output are biased in the presence of sentiment, even when the (supposedly independent) evaluators are external. Data from a field-experiment setting—involving a pro-sport League's best-player award—allows for empirical testing of this proposition. After controlling for within-match performance, the results show that the match officials provide significantly better evaluations to players celebrating a ‘milestone’ game—an occasion on which sentimental favorites exist. However, this sentiment bias holds only in certain cases, and appears to have weakened in more recent years.
Original languageEnglish
Pages (from-to)128-134
Number of pages7
JournalEconomic Modelling
Early online date11 Aug 2018
Publication statusPublished - Jan 2019


  • Evaluation
  • Labor
  • Modeling
  • Sport


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