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4 - Morality and social welfare

Published online by Cambridge University Press:  24 November 2009

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Summary

CONSTRUCTIVE APPROACH

Disregard of one's personal identity – a model for moral value judgments

In Section 1.3 we divided the general theory of rational behavior into individual decision theory, ethics, and game theory. In Chapter 3 we summarized the main results of individual decision theory, following Debreu [1959], Herstein and Milnor [1953], and Anscombe and Aumann [1963]. In this chapter we will review the main results of our own work in ethics and will discuss a related result by Fleming [cf. Harsanyi, 1953,1955, and 1958; Fleming, 1952]. Most of these results were originally developed for the purposes of welfare economics but will be discussed here from a more general ethical point of view. The remaining chapters of this book will deal with game theory.

People often take a friendly (positive) or an unfriendly (negative) interest in other people's well-being. Technically this means that the utility function of a given individual i may assign positive or negative utility to the utility level as such of some other individuals j, or to the objective economic, social, biological, and other conditions determining the latter's utility levels. The question naturally arises: What factors will decide the relative importance that any given individual's utility function will assign to the well-being of various other individuals or social groups? We have called this question the problem of dominant loyalties (Section 2.3). This question obviously requires a rather complicated answer.

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Publisher: Cambridge University Press
Print publication year: 1977

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  • Morality and social welfare
  • John C. Harsanyi
  • Book: Rational Behaviour and Bargaining Equilibrium in Games and Social Situations
  • Online publication: 24 November 2009
  • Chapter DOI: https://doi.org/10.1017/CBO9780511571756.005
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  • Morality and social welfare
  • John C. Harsanyi
  • Book: Rational Behaviour and Bargaining Equilibrium in Games and Social Situations
  • Online publication: 24 November 2009
  • Chapter DOI: https://doi.org/10.1017/CBO9780511571756.005
Available formats
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Save book to Google Drive

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  • Morality and social welfare
  • John C. Harsanyi
  • Book: Rational Behaviour and Bargaining Equilibrium in Games and Social Situations
  • Online publication: 24 November 2009
  • Chapter DOI: https://doi.org/10.1017/CBO9780511571756.005
Available formats
×