@techreport{NBERw13121,
 title = "The Small World of Investing: Board Connections and Mutual Fund Returns",
 author = "Lauren Cohen and Andrea Frazzini and Christopher Malloy",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "13121",
 year = "2007",
 month = "May",
 URL = "http://www.nber.org/papers/w13121",
}