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When expert advice fails to reduce the productivity gap: Experimental evidence from chess players

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  • Bouacida, Elias
  • Foucart, Renaud
  • Jalloul, Maya

Abstract

We study the impact of external advice on the relative performance of chess players. We asked players in chess tournaments to evaluate positions in past games and allowed them to revise their evaluation after observing the answers of a higher or a lower-ability adviser. Although high-quality advice has the potential to serve as a “great equalizer,” reducing the difference between higher- and lower-ability players, it did not happen in our experiment. One reason is that lower-ability players tend to pay a higher premium by sticking to their initial evaluation rather than following high-quality advice.

Suggested Citation

  • Bouacida, Elias & Foucart, Renaud & Jalloul, Maya, 2025. "When expert advice fails to reduce the productivity gap: Experimental evidence from chess players," Journal of Economic Behavior & Organization, Elsevier, vol. 236(C).
    • Handle: RePEc:eee:jeborg:v:236:y:2025:i:c:s0167268125002434
    DOI: 10.1016/j.jebo.2025.107124
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    Keywords

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    JEL classification:

    • C78 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Bargaining Theory; Matching Theory
    • C91 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Individual Behavior
    • C93 - Mathematical and Quantitative Methods - - Design of Experiments - - - Field Experiments
    • D91 - Microeconomics - - Micro-Based Behavioral Economics - - - Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making
    • J24 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Human Capital; Skills; Occupational Choice; Labor Productivity
    • O33 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Technological Change: Choices and Consequences; Diffusion Processes

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