@inbook{NBERc10932,
 Crossref = "NBERsumm87-1",
 title = "Social Security and the American Family",
 author = "Michael J. Boskin and Douglas J. Puffert",
 BookTitle = "Tax Policy and the Economy, Volume 1",
 Publisher = "MIT Press",
 pages = "139-159",
 year = "1987",
 URL = "http://www.nber.org/chapters/c10932",
}
@book{NBERsumm87-1,
 title = "Tax Policy and the Economy, Volume 1",
 author = "Lawrence H. Summers",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "MIT Press",
 year = "1987",
 URL = "http://www.nber.org/books/summ87-1",
}