中国耕地多功能的区域收敛性
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向敬伟, 廖晓莉, 宋小青, 熊锦惠, 马伟蕊, 黄景孟
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Regional convergence of cultivated land multifunctions in China
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XIANG Jingwei, LIAO Xiaoli, SONG Xiaoqing, XIONG Jinhui, MA Weirui, HUANG Jingmeng
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表2 耕地多功能的绝对β收敛估计结果
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Table 2 Estimated values of absolute β convergence for cultivated land multifunction
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耕地功能 | 变量 | 全国 | 东部 | 中部 | 西部 | 东北 | 基本生活保障功能 | C | -2.909*** (-8.991) | -3.130*** (-5.729) | -3.259*** (-3.974) | -2.419*** (-4.621) | -2.187** (-3.555) | | β | -1.180*** (-8.966) | -1.094*** (-5.852) | -1.285*** (-3.896) | -1.019*** (-4.519) | -1.607** (-3.606) | | R2 | 0.642 | 0.839 | 0.863 | 0.555 | 0.760 | | Adjusted R2 | 0.460 | 0.725 | 0.742 | 0.323 | 0.616 | | F | 3.528 | 7.385 | 7.114 | 2.393 | 5.283 | | P | 0.000 | 0.000 | 0.004 | 0.035 | 0.052 | 农业经济贡献功能 | C | -1.604*** (-5.256) | 0.103*** (0.468) | -0.740 (-1.459) | -2.241 *** (-5.865) | -1.422* (-1.995) | | β | -0.780*** (-5.154) | 0.137*** (1.027) | -0.365 (-1.335) | -0.968*** (-5.883) | -0.604* (-2.312) | | R2 | 0.596 | 0.036 | 0.699 | 0.678 | 0.433 | | Adjusted R2 | 0.370 | 0.002 | 0.431 | 0.511 | 0.352 | | F | 2.638 | 1.054 | 2.612 | 4.045 | 5.344 | | P | 0.001 | 0.313 | 0.087 | 0.002 | 0.054 | 生态安全维持功能 | C | -0.986*** (-5.480) | -0.877** (-2.872) | -1.406** (-2.636) | -1.067*** (-3.969) | -1.520 (-1.911) | | β | -0.533*** (-5.351) | -0.433** (-2.829) | -0.608* (-2.302) | -0.664*** (-3.958) | -0.868 (-1.839) | | R2 | 0.732 | 0.876 | 0.801 | 0.747 | 0.577 | | Adjusted R2 | 0.583 | 0.788 | 0.576 | 0.579 | 0.323 | | F | 4.894 | 10.003 | 3.571 | 4.433 | 2.271 | | P | 0.000 | 0.000 | 0.043 | 0.001 | 0.198 |
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