@techreport{NBERw13697,
 title = "Parental Leave Policies and Parents' Employment and Leave-Taking",
 author = "Wen-Jui Han and Christopher Ruhm and Jane Waldfogel",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "13697",
 year = "2007",
 month = "December",
 URL = "http://www.nber.org/papers/w13697",
}