This study argues that parents have a desire for dividing equally between their children, and that this motive applies to transfers of gifts inter vivos. We suggest that the equal division motive competes with traditional altruism: support to the child or the children with greatest needs. When...

This study argues that parents have a desire for dividing equally between their children, and that this motive applies to transfers of gifts inter vivos. We suggest that the equal division motive competes with traditional altruism: support to the child or the children with greatest needs. When...

It has been hypothesized that females mate multiply to increase the heterozygosity of their progeny because heterozygous individuals are assumed to have a fitness advantage. Females can maximize heterozygosity of their offspring by mating with genetically unrelated and/or heterozygous males. We...