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Does pay inequality affect worker effort? An assessment of experimental designs and evidence

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  • Fongoni, Marco
Abstract
This paper develops a theoretical framework to think about employees' effort choices, and applies this framework to assess the ability of existing experimental designs to identify the effect of pay inequality on worker effort. The analysis shows that failure to control for a number of confounds—such as reciprocity towards the employer in multi-lateral gift-exchange games (vertical fairness), or the incentive to increase effort when feeling underpaid under piece rates (income targeting)—may lead to inaccurate interpretation of evidence of treatment effects. In light of these findings, the paper provides a set of recommendations on how to improve identification in the design of controlled experiments in the future.

Suggested Citation

  • Fongoni, Marco, 2024. "Does pay inequality affect worker effort? An assessment of experimental designs and evidence," Journal of Economic Behavior & Organization, Elsevier, vol. 220(C), pages 697-716.
  • Handle: RePEc:eee:jeborg:v:220:y:2024:i:c:p:697-716
    DOI: 10.1016/j.jebo.2024.02.035
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    More about this item

    Keywords

    Pay inequality; Effort; Laboratory experiments; Reference dependence; Fairness;
    All these keywords.

    JEL classification:

    • C91 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Individual Behavior
    • D91 - Microeconomics - - Micro-Based Behavioral Economics - - - Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making
    • J31 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs - - - Wage Level and Structure; Wage Differentials
    • J33 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs - - - Compensation Packages; Payment Methods
    • M52 - Business Administration and Business Economics; Marketing; Accounting; Personnel Economics - - Personnel Economics - - - Compensation and Compensation Methods and Their Effects

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