@inbook{NBERc10588, Crossref = "NBERcamp01-1", title = "Front matter, preface, table of contents", author = "John Y. Campbell and Martin Feldstein", BookTitle = "Risk Aspects of Investment-Based Social Security Reform", Publisher = "University of Chicago Press", year = "2001", month = "January", URL = "http://www.nber.org/chapters/c10588", } @book{NBERcamp01-1, title = "Risk Aspects of Investment-Based Social Security Reform", author = "John Y. Campbell and Martin Feldstein", institution = "National Bureau of Economic Research", type = "Book", publisher = "University of Chicago Press", year = "2001", URL = "http://www.nber.org/books/camp01-1", }