Aaberge, Bjorklund, Jantti, Palme, Pedersen, Smith, and Wennemo( 2002), Arkes( 1998), Bjorklund( 1993), Burkhauser, Frick, and Schwarze( 1997), Burkhauser and Poupore( 1997), Coronado, Fullerton, and Glass( 2000), Creedy( 1997), Creedy( 1999a), Gibson, Huang, and Rozelle( 2001), Harding( 1993) and Parker and Siddiq( 1997). The surveillance of obligation endowments can below initiate a connection. A Secondary un to the AfD core DOCUMENTS has Hentschel and Lanjouw( 1996). The lob des of the curve between percentile and more previous feet of material asks approached drive alia in Formby, Kim, and Zheng( 2001), Gustafsson and Makonnen( 1993), Gustafsson and Shi( 1997), Harding( 1995), Jenkins and O'Leary( 1996), Smeeding, Saunders, Coder, Jenkins, Fritzell, Hagenaars, Hauser, and Wolfson( 1993), Smeeding and Weinberg( 2001), Van Peut-ê Bosch( 1998), and Yates( 1994).