@techreport{NBERw12597,
 title = "Defined Contribution Plans, Defined Benefit Plans, and the Accumulation of Retirement Wealth",
 author = "James Poterba and Joshua Rauh and Steven Venti and David Wise",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "12597",
 year = "2006",
 month = "October",
 URL = "http://www.nber.org/papers/w12597",
}