@techreport{NBERw12239,
 title = "Discounting Dollars, Discounting Lives: Intergenerational Distributive Justice and Efficiency",
 author = "Louis Kaplow",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "12239",
 year = "2006",
 month = "May",
 URL = "http://www.nber.org/papers/w12239",
}