Same sex competition usually occurs along those dimensions that are sexually preferred by the opposite sex
Women engage more in short-term sex when there is a surplus of women sex becomes cheap
Numerous studies across various cultures have provided empirical support for the assumption that sexual strategies of men and women follow the predictions of sexual selection theory. Women show a higher preference than men for mates who possess resources and are willing and interested in investing in tecken på en lojal kvinna children; men, in contrast, show a higher preference than women for physically attractive and young mates (Kenrick et al., 1994; Li et al., 2002; Brase, 2006; Roney et al., 2006; Buss and Shackelford, 2008; Conroy-Beam et al., 2015). This allows individuals that own much of the sexually preferred cues to be more choosy and do gain more easily there sexual goals.