@inbook{NBERc6047,
 Crossref = "NBERbodi88-1",
 title = "Defined Benefit versus Defined Contribution Pension Plans: What are the Real Trade-offs?",
 author = "Zvi Bodie and Alan J. Marcus and Robert C. Merton",
 BookTitle = "Pensions in the U.S. Economy",
 Publisher = "University of Chicago Press",
 pages = "139-162",
 year = "1988",
 URL = "http://www.nber.org/chapters/c6047",
}
@book{NBERbodi88-1,
 title = "Pensions in the U.S. Economy",
 author = "Zvi Bodie and John B. Shoven and David A. Wise",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "University of Chicago Press",
 year = "1988",
 URL = "http://www.nber.org/books/bodi88-1",
}