Other-Regarding Preferences in General Equilibrium

Georg Kirchsteiger, Paul Heidhues (), Frank Riedel, Martin Dufwenberg and Joel Sobel ()

No 6815, CEPR Discussion Papers from C.E.P.R. Discussion Papers

Abstract: We study competitive market outcomes in economies where agents have other-regarding preferences. We identify a separability condition on monotone preferences that is necessary and sufficient for one's own demand to be independent of the allocations and characteristics of other agents in the economy. Given separability, it is impossible to identify other-regarding preferences from market behaviour: agents behave as if they had classical preferences that depend only on own consumption in competitive equilibrium. If preferences, in addition, depend only on the final allocation of consumption in society, the Second Welfare Theorem holds as long as an increase in resources can be distributed such that all agents are better off. Nevertheless, the First Welfare Theorem generally does not hold. Allowing agents to care about their own consumption and the distribution of consumption possibilities in the economy, we provide a condition under which agents have no incentive to make direct transfers, and show that this condition implies that competitive equilibria are efficient given prices.

Keywords: Markets; Other-regarding preferences; Self-interest; Welfare (search for similar items in EconPapers)
JEL-codes: D5 D63 D64 (search for similar items in EconPapers)
Date: 2008-05
New Economics Papers: this item is included in nep-evo
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Citations: View citations in EconPapers (16)

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Journal Article: Other-Regarding Preferences in General Equilibrium (2011)
Working Paper: Other-Regarding Preferences in General Equilibrium (2011)
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