@inbook{NBERc8416,
 Crossref = "NBERshov08-1",
 title = "Demographic Trends, Housing Equity, and the Financial Security of Future Retirees",
 author = "James M. Poterba and Steven F. Venti and David A. Wise",
 BookTitle = "Demography and the Economy",
 Publisher = "University of Chicago Press",
 pages = "227-287",
 year = "2010",
 month = "November",
 URL = "http://www.nber.org/chapters/c8416",
}
@book{NBERshov08-1,
 title = "Demography and the Economy",
 author = "John B. Shoven",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "University of Chicago Press",
 year = "2011",
 URL = "http://www.nber.org/books/shov08-1",
}