Anyone ever seen this article? It's from 1991 but should still be interesting.
http://www.economics.harvard.edu/~aroth/sorority.html
This paper concerns the formal process by which women at American universities join the social organizations called sororities. The history of this process, of the problems it has encountered, and how it has evolved to meet them, have striking similarities to (as well as important differences from) the history and organization of the American labor market for medical interns (see Roth, 1984a), and of the several similar entry-level labor markets for physicians in the United Kingdom (see Roth, 1990). So by studying this process we can also hope to learn more about other matching processes, and to assess the generality of various hypotheses we might form about them.
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