共 6 条
[3]
Maler Karl-Gbran, 1974, ENV EC THEORETICAL I
[4]
Mishan EJ, 1971, COST BENEFIT ANAL
[5]
NEIHANS J, 1971, AM EC REV, V61, P773
[6]
Willig RD, 1976, AM ECON REV, V66, P587