共 9 条
[2]
Hartunian N. S., 1981, INCIDENCE EC COSTS M
[6]
Thomas Lewis, 1975, LIVES CELL
[7]
VISCUSI WK, 1993, J ECON LIT, V31, P1912
[9]
WEISBROD BA, 1991, J ECON LIT, V29, P523