Learning and Drop Out in Contests: An Experimental Approach

Francesco Fallucchi, Jan Niederreiter, Massimo Riccaboni

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Abstract

We design an experiment to study investment behavior in different repeated contest settings, varying the uncertainty of the outcomes and the number of participants in contests. We find decreasing over-expenditures and a higher rate of ‘drop out’ in contests with high uncertainty over outcomes (winner-take-all contests), while we detect a quick convergence towards equilibrium predictions and a near to full participation when this type of uncertainty vanishes (proportional-prize contests). These results are robust to changes in the number of contestants. A learning parameter estimation using the experience-weighted attraction (EWA) model suggests that subjects adopt different learning modes across different contest structures and helps to explain expenditure patterns deviating from theoretical predictions.
Original languageEnglish
Number of pages34
JournalTheory and Decision
DOIs
Publication statusE-pub ahead of print - 6 Nov 2020

Keywords

  • Learning
  • Dropout
  • Experiment
  • Context
  • Experience-weighted attraction

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