@techreport{NBERw13917, title = "The Effect of Medicare Part D on Pharmaceutical Prices and Utilization", author = "Mark Duggan and Fiona Scott Morton", institution = "National Bureau of Economic Research", type = "Working Paper", series = "Working Paper Series", number = "13917", year = "2008", month = "April", URL = "http://www.nber.org/papers/w13917", }