@techreport{NBERr0430, title = "Implicit Contracts Under Asymmetric Information", author = "Sanford J. Grossman and Oliver D. Hart", institution = "National Bureau of Economic Research", type = "Working Paper", series = "Reprint Series", number = "430", year = "1983", month = "November", URL = "http://www.nber.org/papers/r0430", abstract = {}, }