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In terms of evolutionary biology, such instinctive behavior can be explained by [[Bateman's principle]] which also explains greater sexual choosiness in non-human females. | In terms of evolutionary biology, such instinctive behavior can be explained by [[Bateman's principle]] which also explains greater sexual choosiness in non-human females. | ||
Women are also physically weaker and have less power over resources, so hypergamy is in theory the most stable mate choice for women, because choosing the best man among the ones that promise continued investment a woman can attract, ensures that her partner cannot be outcompeted and threatened by an even better one. Researchers also suggested that hypergamy may arise from the premise that men naturally provide resources to women in return for exclusive access to sex which men desire as they want certainty that the offspring is theirs (a problem that women do not face).<ref>https://d-nb.info/997448148/34</ref> | Women are also physically weaker and have less power over resources, so hypergamy is in theory the most stable mate choice for women, because choosing the best man among the ones that promise continued investment a woman can attract, ensures that her partner cannot be outcompeted and threatened by an even better one. Researchers also suggested that hypergamy may arise from the premise that men naturally provide resources to women in return for exclusive access to sex which men desire as they want certainty that the offspring is theirs (a problem that women do not face).<ref>https://d-nb.info/997448148/34</ref> | ||
<ref>https://www.sciencedirect.com/science/article/pii/S016748701630277X</ref> | <ref>https://www.sciencedirect.com/science/article/pii/S016748701630277X</ref> There are mixed results about the importance of a power differential regarding income and education for women's marital satisfaction. | ||
Higher income of the man was found to be associated with female orgasm and lower income predicted sexlessness. | |||
Women's promotion also increased the risk of divorce.<ref>http://www.ifn.se/wfiles/wp/wp1146.pdf</ref> | |||
However another study did not find effects for marriage satisfaction and likelihood of women's divorce initiation. | |||
Aversion to having the wife earn more than the husband did, however, explain 29% of the decline in marriage rates over the last thirty years.<ref>https://doi.org/10.1093/qje/qjv001</ref> | |||
Also women's attractiveness ratings are 1,000 times more sensitive to men's income than vice-versa, and women also rate men with high status cues (e.g. presentation of luxury goods) as more sexually attractive, while men don't care about this. | |||
Men's social status also accounts for 62% of the variance of frequency of copulation opportunities.<ref>https://doi.org/10.1017/S0140525X00029939</ref> | |||
Small and mixed effects in existing relationships and marriages suggest that relationships have mostly already passed the hypergamous filter, i.e. already mostly fulfill the condition for the man being the most valuable man available. | |||
There are indications that hypergamy has intensified in recent time. | There are indications that hypergamy has intensified in recent time. |