共 45 条
[1]
BJORNSTAD DJ, 1982, REV REG STUD, V12, P19
[2]
BOCKSTAEL NE, 1983, AM ECON REV, V73, P806
[3]
Boyle K. J., 1990, Northeastern Journal of Agricultural and Resource Economics, V19, P125
[6]
CUMMINGS RG, 1986, VALUAING ENV GOODS A
[7]
Demsetz H, 1967, AM ECON REV, V57, P347