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  1. Does observed fertility maximize fitness among New Mexican men?Hillard S. Kaplan, Jane B. Lancaster, Sara E. Johnson & John A. Bock - 1995 - Human Nature 6 (4):325-360.
    Our objective is to test an optimality model of human fertility that specifies the behavioral requirements for fitness maximization in order (a) to determine whether current behavior does maximize fitness and, if not, (b) to use the specific nature of the behavioral deviations from fitness maximization towards the development of models of evolved proximate mechanisms that may have maximized fitness in the past but lead to deviations under present conditions. To test the model we use data from a representative sample (...)
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  • How did the Krummhörn elite males achieve above-average reproductive success?Heike Klindworth & Eckart Voland - 1995 - Human Nature 6 (3):221-240.
    The wealthy elite males of nineteenth-century Krummhörn (Ostfriesland, Germany) achieved an above-average reproductive success. Membership in the elite class was determined from a list of the 300 richest men in the Ostfriesland district compiled by authorities in 1812. The main components establishing the link between cultural success and reproductive success aredifferences in the number of offspring owing to differences both in time spent in fecund marriage (mating success) and in rate of reproduction;differences in the probabilities of one’s adult offspring marrying (...)
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