@techreport{NBERw12790,
 title = "Lead Them to Water and Pay Them to Drink: An Experiment with Services and Incentives for College Achievement",
 author = "Joshua Angrist and Daniel Lang and Philip Oreopoulos",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "12790",
 year = "2006",
 month = "December",
 URL = "http://www.nber.org/papers/w12790",
}