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Revealed Altruism

James Cox (), Daniel Friedman () and Vjollca Sadiraj ()

No 2006-09, Experimental Economics Center Working Paper Series from Experimental Economics Center, Andrew Young School of Policy Studies, Georgia State University

Abstract: This paper develops a nonparametric theory of preferences over one's own and others' monetary payoffs. We introduce "more altruistic than" (MAT), a partial ordering over preferences, and interpret it with known parametric models. We also introduce and illustrate "more generous than" (MGT), a partial ordering over opportunity sets. Several recent studies focus on two player extensive form games of complete information in which the first mover (FM) chooses a more or less generous opportunity set for the second mover (SM). Here reciprocity can be formalized as the assertion that an MGT choice by the FM will elicit MAT preferences in the SM. A further assertion is that the effect on preferences is stronger for acts of commission by FM than for acts of omission. We state and prove propositions on the observable consequences of these assertions. Finally, empirical support for the propositions is found in existing data from investment games and from Stackelberg games and in new data from Stackelberg mini-games.

Keywords: Classical Preferences; Social Preferences; Convexity; Reciprocity; Experiments (search for similar items in EconPapers)
Pages: 50
Date: 2006-10, Revised 2007-07
New Economics Papers: this item is included in nep-cbe, nep-exp and nep-soc
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Citations: View citations in EconPapers (25) Track citations by RSS feed

Downloads: (external link)
http://excen.gsu.edu/workingpapers/GSU_EXCEN_WP_2006-09.pdf First version, 2006 (application/pdf)
http://excen.gsu.edu/workingpapers/GSU_EXCEN_WP_2007-06.pdf Revised version, 2007 (application/pdf)

Related works:
Working Paper: REVEALED ALTRUISM (2009) Downloads
Journal Article: Revealed Altruism (2008) Downloads
Working Paper: Revealed Altruism (2005) Downloads
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