A Bioeconomic Approach to Marriage and the Sexual Division of Labor |
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Authors: | Michael Gurven Jeffrey Winking Hillard Kaplan Christopher von Rueden Lisa McAllister |
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Institution: | (1) Department of Anthropology, University of California–Santa Barbara, Santa Barbara, CA 93106, USA;(2) Department of Anthropology, Texas A&M University, College Station, TX 77843-4352, USA;(3) Department of Anthropology, University of New Mexico, Albuquerque, NM 87131, USA |
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Abstract: | Children may be viewed as public goods whereby both parents receive equal genetic benefits yet one parent often invests more
heavily than the other. We introduce a microeconomic framework for understanding household investment decisions to address
questions concerning conflicts of interest over types and amount of work effort among married men and women. Although gains
and costs of marriage may not be spread equally among marriage partners, marriage is still a favorable, efficient outcome
under a wide range of conditions. This bioeconomic framework subsumes both cooperative and conflictive views on the sexual
division of labor. We test hypotheses concerning marriage markets, assortative mating, and men’s labor motivations among Tsimane
forager-horticulturalists of Bolivia and find that: (1) men and women both value work effort in marital partners, (2) marital
labor contributions are complementary, (3) work effort is correlated between spouses, (4) total production is correlated with
total reproduction, and (5) better hunters have higher fitness gains within marital unions. |
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