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The Impact of (In)Equality of Opportunities on Wealth Distribution: Evidence from Ultimatum Games

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  • Grimalda, Gianluca
  • Kar, Anirban
  • Proto, Eugenio

Abstract

We study the impact on payo§ distribution of varying the probability (opportunity) that a player has of becoming the proposer in an ultimatum game (UG). Subjectsíassignment to roles within the UG was randomised before the interactions. Subjects played 20 rounds anonymously and with random re-matching at each round. We compare the outcomes of four di§erent settings that di§ered according to the distribution of opportunities between the pair of players in each round, and across the whole 20 rounds. The results clearly point to the existence of a discontinuity in the origin of the opportunity spectrum. Allowing a player a 1% probability of becoming the proposer brings about signiÖcantly lower o§ers and higher acceptance rates with respect to the benchmark case where a player has no such a chance. As such probability is raised to 20% and 50%, this same trend continues, but the e§ects are generally no longer signiÖcant with respect to the 1% setting. In one case the monotonic pattern is violated. We conclude that subjects in our experiment appear to be motivated mostly by the purely symbolic aspect of opportunity rather than by the actual fairness in the allocation of opportunities.

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  • Grimalda, Gianluca & Kar, Anirban & Proto, Eugenio, 2008. "The Impact of (In)Equality of Opportunities on Wealth Distribution: Evidence from Ultimatum Games," Economic Research Papers 269841, University of Warwick - Department of Economics.
    • Handle: RePEc:ags:uwarer:269841
    DOI: 10.22004/ag.econ.269841
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