基于条件价值法(CVM)的库布齐沙漠治理支付意愿及影响因素研究
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Study on willingness to pay and influencing factors of Kubuqi desertification control based on CVM Data
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图3. X2、X8变量与人均支付额的趋势 |
Fig.3. Tendency of payment per capita with X2 and X8 |
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