@inbook{NBERc4544, Crossref = "NBERbrow08-1", title = "Comment on "Reducing Social Security PRA Risk at the Individual Level: Lifecycle Funds and No-Loss Strategies"", author = "Douglas W. Elmendorf", BookTitle = "Social Security Policy in a Changing Environment", Publisher = "University of Chicago Press", pages = "292-298", year = "2009", month = "June", URL = "http://www.nber.org/chapters/c4544", } @book{NBERbrow08-1, title = "Social Security Policy in a Changing Environment", author = "Jeffrey R. Brown and Jeffrey B. Liebman and David A. Wise", institution = "National Bureau of Economic Research", type = "Book", publisher = "University of Chicago Press", year = "2009", URL = "http://www.nber.org/books/brow08-1", }