This obviously depends on culture, but I think the majority of men and women marry a partner with the same socioeconomical status as themselves. The highly-vis

This obviously depends on culture, but I think the majority of men and women marry a partner with the same socioeconomical status as themselves. The highly-visible counter-examples tend to come from fields with high gender imbalance, like your stereotypical doctor-nurse or boss-secretary matchups. I think it's reasonable to posit that this effect would be weak or non-existent in an equal society.