1999 1 1 6 1. CCER
1999 1 1 7
1999 1 1 8 2
1999 1 1 9 3 1995 1993
1999 1 1 4 Becker(1979 1992) Chiswick(1978) Mincer(1958) Schultz(1961,1975) 1992 1992 5 10
1999 1 1 11 6 1992 1955 1974 p296
1999 1 1 12 7
1999 1 1 ' ' '=- 8 9 SmSf Sm Sf 13
1999 1 1 14 ' '''' ' ' ' '= ''' ' '=
1999 1 1 15 '=- '= '='+ '' 10
1999 1 1 16