变量 | 流入 第一阶段 | 流入第二阶段 | | 流出 第一阶段 | 流出第二阶段 | D = 1 | D = 0 | D = 1 | D = 0 | 户主年龄 | 0.009*** | -0.024*** | -0.023*** | | 0.009*** | 0.003 | 0.008 | (0.002) | (0.004) | (0.006) | | (0.002) | (0.005) | (0.009) | 户主是否村干部 | 0.112** | 0.104 | 0.590*** | | 0.098* | -0.168 | -0.199 | (0.052) | (0.076) | (0.118) | | (0.052) | (0.126) | (0.258) | 户主受教育年限 | -0.007 | -0.031** | 0.010 | | -0.009 | -0.047** | -0.007 | | (0.008) | (0.013) | (0.023) | | (0.008) | (0.021) | (0.034) | ln(家庭人口数) | 0.140*** | -0.026 | -0.461*** | | 0.153*** | 0.027 | -0.175 | | (0.054) | (0.088) | (0.142) | | (0.055) | (0.125) | (0.211) | 打工劳动力投入比例 | -0.005 | 0.321*** | -0.369* | | -0.019 | 0.011 | -0.239 | | (0.061) | (0.090) | (0.189) | | (0.061) | (0.133) | (0.271) | ln(林地面积) | 0.030*** | 0.078*** | 0.223*** | | 0.030*** | -0.049*** | -0.030 | | (0.007) | (0.022) | (0.041) | | (0.007) | (0.015) | (0.030) | ln(村委会到县城距离) | -0.099*** | 0.128*** | 0.091* | | -0.109*** | 0.051* | -0.216*** | | (0.016) | (0.021) | (0.050) | | (0.019) | (0.028) | (0.065) | ln(海拔) | 0.414*** | -0.437*** | -0.894*** | | 0.429*** | -0.251** | -0.311* | | (0.043) | (0.065) | (0.119) | | (0.043) | (0.098) | (0.161) | 第一大姓占全村人数比例 | -1.785*** | | | | -1.687*** | | | | (0.107) | | | | (0.107) | | | 年度虚拟变量 | YES | YES | YES | | YES | YES | YES | 截距 | -1.782*** | 3.814*** | 3.522*** | | -1.863*** | 1.833** | 0.027 | | (0.311) | (0.497) | (0.771) | | (0.311) | (0.891) | (1.125) | Rho(ρ11/ρ01, ρ12/ρ02) | | -1.419*** | -6.348 | | | -1.271*** | -2.727 | (0.204) | (52.580) | | | (0.297) | (4,461) | Wald chi2(Joint significance) | 1 255.020*** | | 1 236.410*** | Log pseudo likelihood | -3 228.380 | | -2 822.649 | Wald chi2(Wald test of independent eqns.) | 65.000*** | | 15.530*** | 样本量 | 4 811 | | 4 811 |
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