@techreport{NBERw12390, title = "That's News to Me! Information Revelation in Professional Certification Markets", author = "Ginger Zhe Jin and Andrew Kato and John A. List", institution = "National Bureau of Economic Research", type = "Working Paper", series = "Working Paper Series", number = "12390", year = "2006", month = "July", URL = "http://www.nber.org/papers/w12390", }