@techreport{NBERw12970,
 title = "Optimal Asset Allocation in Asset Liability Management",
 author = "Jules H. van Binsbergen and Michael W. Brandt",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "12970",
 year = "2007",
 month = "March",
 URL = "http://www.nber.org/papers/w12970",
}