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Morality and Equality from Rationality Alone - A repeated game approach of contractarianism

Abstract : This paper highlights the role that equality and reciprocity play in preserving peace and cooperation among individuals with conflicting interests. Following the contractarian tradition, I model a mutually beneficial interaction as a prisoner's dilemma and using repeated game theory, I show that a mutually beneficial joint venture may be undertaken only if the final distribution of incomes is sufficiently egalitarian. From a pre-moral context, the model allows to derive endogenous bounds on the income of each individual that reproduce Moehler (2018)'s weak universalisation principle. Contrasting with the well-known equity-efficiency trade-off, the model also produces an equity-efficiency complementarity.
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https://hal.archives-ouvertes.fr/hal-02948051
Contributor : Alexis Louaas <>
Submitted on : Wednesday, March 3, 2021 - 9:27:07 PM
Last modification on : Thursday, May 6, 2021 - 5:16:58 PM

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Alexis Louaas. Morality and Equality from Rationality Alone - A repeated game approach of contractarianism. 2021. ⟨hal-02948051v2⟩

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