基于廉价磋商的CVM假想偏差修正研究----以松花江流域为例
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佟锐, 敖长林, 焦扬, 高琴
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A correction study of CVM hypothetical bias based on cheap talk for the Songhua River Basin
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TONG Rui,AO Changlin,JIAO Yang,GAO Qin
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| 表3 影响因素及受访者平均支付意愿估计 |
| Table 3 The estimation of influencing factors and respondents' average WTP |
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| 变量 | 实验分组 | | 总体 | A组 | B组 | C组 | | intercept | -7.770 85*** | -8.660 62 | -7.250 63 | -9.248 13* | | (-0.009 4) | (-0.124 4) | (-0.181 2) | (-0.078 8) | | sex | 0.294 54* | 0.243 89 | 0.493 90* | 0.238 24 | | (-0.072 3) | (-0.412 0) | (-0.092 7) | (-0.437 3) | | age | -0.074 92 | -0.026 61 | -0.168 89 | -0.070 97 | | (-0.242 5) | (-0.813 8) | (-0.161 4) | (-0.509 9) | | edu | 0.284 35*** | 0.336 54** | 0.287 92* | 0.074 87 | | (-0.001 3) | (-0.032 9) | (-0.062 1) | (-0.644 1) | | inc | 0.151 98*** | 0.161 29** | 0.223 44*** | 0.156 93* | | (-0.000 8) | (-0.042 6) | (-0.007 7) | (-0.054 5) | | far | 0.276 62*** | 0.135 12 | 0.311 05** | 0.406 17** | | (-0.001 6) | (-0.419 4) | (-0.041 8) | (-0.012 3) | | com | -0.107 81 | 0.009 33 | 0.082 98 | -0.343 07** | | (-0.131 7) | (-0.949 1) | (-0.514 1) | (-0.011 9) | | att | -0.021 76 | 0.299 78 | -0.452 60** | 0.165 36 | | (-0.850 0) | (-0.207 8) | (-0.027 3) | (-0.402 0) | | sac | 0.478 11*** | 0.203 82 | 0.596 04*** | 0.645 65*** | | (-0.000 1) | (-0.259 2) | (-0.000 8) | (-0.000 2) | | lneco | 2.628 24*** | 2.581 28* | 2.673 55** | 3.140 53** | | (-0.000 3) | (-0.059 5) | (-0.049 4) | (-0.011 7) | | LCT | 0.056 35 | - | - | - | | (-0.774 6) | | SCT | -0.062 53 | - | - | - | | (-0.760 7) | | lnT | -1.160 28*** | -0.996 42*** | -1.286 29*** | -1.292 67*** | | (-0.000 1) | (-0.000 1) | (-0.000 1) | (-0.000 1) | | log likelihood | -778.811 0 | -270.654 0 | -253.032 0 | -242.613 0 | | AIC | 1 583.621 0 | 563.308 4 | 528.063 2 | 507.225 9 | | WTP/(元/a) | 274.460 0 | 296.450 0 | 258.810 0 | 268.280 0 | | WTP'/(元/a) | 269.930 0 | 278.840 0 | 248.710 0 | 262.970 0 |
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