9Laurence J.Kotlikoff,1996,"Privatizing Social Security:How It Works and Why It Matters",in Tax Policy and the Economy,J.Poterba,ed.Cambridge,MA:MIT Press.
10Laurence J.Kotlikoff,1998,"Simulating the Privatization of Social Security in General Equilibrium",in Privatizing Social Security,Martin Feldstein,ed.Chicago:NBER and U.Chicago Press,pp.265-311.