@inbook{NBERc10357,
 Crossref = "NBERwise05-1",
 title = "Passive Decisions and Potent Defaults",
 author = "James J. Choi and David Laibson and Brigitte C. Madrian and Andrew Metrick",
 BookTitle = "Analyses in the Economics of Aging",
 Publisher = "University of Chicago Press",
 pages = "59-78",
 year = "2005",
 month = "August",
 URL = "http://www.nber.org/chapters/c10357",
}
@book{NBERwise05-1,
 title = "Analyses in the Economics of Aging",
 author = "David A. Wise",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "University of Chicago Press",
 year = "2005",
 URL = "http://www.nber.org/books/wise05-1",
}