Resources Science ›› 2017, Vol. 39 ›› Issue (5): 934-944.doi: 10.18402/resci.2017.05.13
• Orginal Article • Previous Articles Next Articles
Yang GAO1(), Xiao ZHANG1, Jiao LU2, Lei WU1
Received:
2016-12-26
Revised:
2017-02-27
Online:
2017-05-20
Published:
2017-05-20
Yang GAO, Xiao ZHANG, Jiao LU, Lei WU. Research on adoption behavior of green control techniques by family farms[J].Resources Science, 2017, 39(5): 934-944.
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Table 1
Variable measures and descriptive statistics"
变量类型 | 变量名 | 取值 | 均值 | 标准差 |
---|---|---|---|---|
家庭农场主特征 | 年龄 | 18~34岁=1,35~45岁=2,46~59岁=3,60岁及以上=4 | 2.63 | 1.20 |
性别 | 男=1,女=0 | 0.79 | 0.41 | |
受教育程度 | 小学及以下=1,初中=2,中专或高中=3,大专及以上=4 | 2.82 | 1.00 | |
风险偏好程度 | 厌恶=1,中立=2,偏好=3 | 1.40 | 0.75 | |
资源禀赋特征 | 劳动力数量 | 实际家庭劳动力和长期雇工的加总 | 7.85 | 12.89 |
资金状况 | 非常匮乏=1,非常充裕=7 | 3.71 | 0.85 | |
经营耕地面积 | 3.3~6.7hm2以下=1,6.7~20hm2以下=2,20~33.3hm2以下=3,33.3hm2及以上=4 | 2.56 | 1.27 | |
GCT特征 | 技术感知易用性 | 非常难=1,非常容易=7 | 4.03 | 1.16 |
技术感知有用性 | 根本没用=1,非常有用=7 | 3.92 | 0.88 | |
主观规范 | 与乡邻交流频率 | 非常少=1,非常多=7 | 4.53 | 0.78 |
农技部门推广力度 | 非常低=1,非常高=7 | 4.36 | 1.03 | |
媒体宣传力度 | 非常低=1,非常高=7 | 4.21 | 1.09 | |
因变量 | 是否了解GCT | 了解=1,不了解=0 | 0.80 | 0.40 |
是否愿意采纳GCT | 愿意=1,不愿意=0 | 0.81 | 0.39 | |
与采纳前相比,每公顷化学 农药施用量减少率 | 10%以下=1,10%~20%以下=2,20%~30%以下=3,30%及以上=4 | 2.76 | 1.02 |
Table 2
Estimation results of three-stage adoption of GCT by family farm"
变量类型 | 变量名 | 第一阶段:信息获取 | 第二阶段:采纳意愿 | 第三阶段:采纳程度 |
---|---|---|---|---|
家庭农场主特征 | 常数 | 0.326 6*** (3.108) | 0.442 3** (2.516) | 0.295 1*** (3.999) |
农场主年龄 | -0.087 2 (-0.857) | - | - | |
农场主性别 | -0.227 6***(-4.602) | - | -0.317 2** (-2.293) | |
农场主受教育程度 | 0.434 0*** (3.638) | 0.177 6* (1.840) | 0.165 6*** (6.201) | |
农场主风险偏好程度 | 0.365 6*** (3.732) | 0.204 2* (1.819) | -0.186 4*** (-5.051) | |
资源禀赋特征 | 劳动力数量 | - | 0.364 3***(19.636) | - |
资金状况 | - | - | 0.183 0*** (19.439) | |
经营耕地面积 | - | 0.267 2 (0.566) | 0.062 5 (1.187) | |
GCT特征 | 技术感知易用性 | - | 0.495 0*** (3.212) | 0.251 6*** (7.091) |
技术感知有用性 | - | 0.158 6** (2.161) | 0.131 7** (2.334) | |
主观规范 | 与乡邻交流频率 | 0.189 2*** (3.785) | 0.159 9 (0.582) | -0.285 9***(-6.302) |
农技部门推广力度 | 0.174 6** (2.413) | 0.102 4*** (3.706) | 0.100 5** (2.398) | |
媒体宣传力度 | 0.265 6** (2.208) | 0.049 2 (0.733) | 0.203 2*** (5.432) | |
样本选择偏差修正项 | - | - | 5.65*** (4.03) | |
- | - | -64.85*** (-7.56) | ||
Rho (1,2) | 0.751 3*** | - | - | |
观测样本 | 676 | 540 | 437 | |
正确预测的比例 | 79.88% | 80.93% | 75.29% | |
16.83(d.f.=7) | 32.64(d.f.=12) | 70.62(d.f.=16) | ||
Log likelihood function | - | -486.203 | - |
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