《heckman两步法-人口转移过程中的城乡社会资本差异与大学毕业生工资》.pdf

2009 17% ;;;; F244 A 2007 17% 100 2002 1 2008 2007 2007 20 70 ·1 · Card et al., 2001 Grogger Eide, 1995 Katz et al., 1992Taber(2001) Monks 2000 Hilmer 2002 Daymont et al., 1984Weinberger1997Gerhart1990Paglin et al., 1990Brown et al., 19971. 2. 3. 4. Joy2003 , Putnam 1993 Glaeser et al.2002 Urwin 2008 2007 2007