As a minority on college campuses , men are a limiting factor and they use their power to engage in casual sex rather than long relationships .
Nationally , women now outnumber men in college enrollment by 4 to 3 , leading some researchers to argue that the gender imbalance fosters a culture of hooking up because men , as the minority , hold more power in the sexual marketplace , and they prefer casual sex to long-term relationships.  ? pagewanted=2 & _r=0However , most students overestimate the amount of hookups in which their peers engage .
Hookup culture