共 34 条
[22]
Kniivila M., 2002, Journal of Forest Economics, V8, P131, DOI 10.1078/1104-6899-00008
[23]
MEASURING THE EXISTENCE VALUE OF WILDLIFE - COMMENT
[J].
LAND ECONOMICS,
1993, 69 (03)
:304-308
[24]
Spike models in contingent valuation
[J].
AMERICAN JOURNAL OF AGRICULTURAL ECONOMICS,
1997, 79 (03)
:1013-1023
[27]
MILGROM P, 1993, CONTRIB TO ECON ANAL, V220, P417, DOI 10.1108/S0573-8555(1993)0000220014
[29]
RUSSELL CS, 2001, 01W01 VAND U DEP EC
[30]
Sagoff Mark., 1988, EC EARTH