Hertwig, Ralph and Davis, Jennifer Nerissa and Sulloway, Frank J.. (2002) Parental investment : how an equity motive can produce inequality. Psychological bulletin, 128. pp. 728-745.
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Official URL: http://edoc.unibas.ch/dok/A5265666
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Abstract
The equity heuristic is a decision rule specifying that parents should attempt to subdivide resources more or less equally among their children. This investment rule coincides with the prescription from optimality models in economics and biology in cases in which expected future return for each offspring is equal. In this article, the authors present a counterintuitive implication of the equity heuristic: Whereas an equity motive produces a fair distribution at any given point in time, it yields a cumulative distribution of investments that is unequal. The authors test this analytical observation against evidence reported in studies exploring parental investment and show how the equity heuristic can provide an explanation of why the literature reports a diversity of birth order effects with respect to parental resource allocation.
Faculties and Departments: | 07 Faculty of Psychology > Departement Psychologie > Ehemalige Einheiten Psychologie > Cognitive and Decision Sciences (Hertwig) |
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UniBasel Contributors: | Hertwig, Ralph |
Item Type: | Article, refereed |
Article Subtype: | Research Article |
Publisher: | American Psychological Association |
ISSN: | 0033-2909 |
Note: | Publication type according to Uni Basel Research Database: Journal article |
Related URLs: | |
Identification Number: |
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Last Modified: | 22 Mar 2012 14:25 |
Deposited On: | 22 Mar 2012 13:44 |
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