Resources Science ›› 2019, Vol. 41 ›› Issue (8): 1576-1588.doi: 10.18402/resci.2019.08.16
Xiuqing ZOU1,Ying WANG1(),Tingyan WU2,Yulin YIN2,Xiaosong TU1,Guoliang XU1
Received:
2018-12-21
Revised:
2019-02-24
Online:
2019-08-28
Published:
2019-08-21
Contact:
Ying WANG
E-mail:632514871@qq.com
Xiuqing ZOU,Ying WANG,Tingyan WU,Yulin YIN,Xiaosong TU,Guoliang XU. Threshold effect of agricultural population transfer on cultivated land use efficiency in Jiangxi Province[J].Resources Science, 2019, 41(8): 1576-1588.
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Table 2
Variable setting, computing method and descrip tive statistics in panel threshold model"
变量分类 | 变量名称 | 最大值 | 最小值 | 方差 | 均值 | 计算方法 |
---|---|---|---|---|---|---|
被解释变量 | 耕地利用效率(LUE) | 1.23 | 0.79 | 0.09 | 0.99 | — |
解释变量 | 农业转移人口占比(RATE) | 0.60 | 0.19 | 0.11 | 0.36 | — |
控制变量 | 农村居民人均可支配收入(INC)/万元 | 1.53 | 0.28 | 0.32 | 0.80 | 自然对数 |
有效灌溉面积(IRR)/万hm2 | 31.10 | 2.32 | 10.20 | 17.45 | 自然对数 | |
农用化肥施用量(FER)/万t | 241122.00 | 23874.00 | 74907.69 | 126476.24 | 自然对数 | |
农业机械总动力(ATP)/万kW | 705.31 | 49.53 | 167.70 | 270.71 | 自然对数 |
"
2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | |
---|---|---|---|---|---|---|---|---|---|---|
南昌 | 65.69 | 63.01 | 66.55 | 72.42 | 78.80 | 91.16 | 91.44 | 96.38 | 83.79 | 86.59 |
景德镇 | 29.44 | 31.18 | 32.33 | 33.69 | 33.68 | 33.88 | 33.85 | 33.73 | 34.10 | 35.24 |
萍乡 | 68.69 | 68.40 | 69.04 | 70.41 | 71.12 | 69.56 | 70.02 | 70.41 | 70.11 | 71.79 |
九江 | 96.79 | 96.38 | 96.65 | 97.59 | 97.35 | 97.48 | 99.97 | 102.31 | 102.44 | 103.05 |
新余 | 13.53 | 13.55 | 14.63 | 16.05 | 15.55 | 15.15 | 16.83 | 17.78 | 18.46 | 18.75 |
鹰潭 | 18.21 | 18.70 | 18.87 | 20.93 | 23.42 | 23.92 | 24.75 | 27.06 | 28.31 | 28.45 |
赣州 | 168.21 | 171.50 | 175.33 | 181.26 | 190.99 | 203.86 | 211.12 | 233.13 | 247.85 | 258.15 |
吉安 | 77.81 | 79.75 | 88.80 | 92.58 | 97.37 | 100.50 | 103.71 | 105.85 | 107.62 | 109.95 |
宜春 | 97.45 | 97.50 | 97.68 | 100.64 | 105.32 | 110.13 | 113.94 | 121.23 | 116.97 | 117.20 |
抚州 | 57.39 | 60.14 | 62.54 | 65.32 | 74.40 | 90.68 | 103.29 | 114.50 | 117.81 | 119.52 |
上饶 | 154.75 | 162.98 | 173.68 | 183.99 | 186.54 | 196.46 | 190.83 | 197.80 | 195.07 | 200.54 |
总计 | 847.96 | 863.09 | 896.10 | 934.88 | 974.54 | 1032.78 | 1059.75 | 1120.18 | 1122.53 | 1149.23 |
Table 4
Calculation results of cultivated land utilization efficiency of prefecture-level cities in Jiangxi province from 2007 to 2016"
2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | |
---|---|---|---|---|---|---|---|---|---|---|
南昌 | 0.9015 | 0.9118 | 0.9736 | 1.0358 | 1.0469 | 1.0133 | 1.0016 | 1.0074 | 1.0039 | 1.0071 |
景德镇 | 0.8560 | 0.9212 | 0.8988 | 0.9234 | 0.9149 | 0.9042 | 0.8969 | 0.9231 | 0.9385 | 0.9446 |
萍乡 | 0.9509 | 0.9653 | 1.0010 | 1.0147 | 1.0225 | 1.0069 | 1.0192 | 1.0098 | 1.0313 | 1.0389 |
九江 | 0.8085 | 0.8061 | 0.8072 | 0.8041 | 0.8140 | 0.8950 | 0.8875 | 0.8685 | 0.8704 | 0.8988 |
新余 | 0.9176 | 0.8886 | 0.8967 | 0.9047 | 0.9053 | 0.8816 | 0.9303 | 1.0075 | 1.0035 | 1.0466 |
鹰潭 | 0.8222 | 0.8483 | 0.9659 | 1.0871 | 1.1092 | 1.0327 | 1.0007 | 1.0397 | 1.0830 | 1.0537 |
赣州 | 0.9552 | 0.9202 | 0.9391 | 0.9250 | 0.9177 | 0.9400 | 1.0008 | 1.0061 | 1.0345 | 1.0451 |
吉安 | 1.0037 | 1.0209 | 1.0332 | 1.0483 | 1.0338 | 1.0229 | 1.0615 | 1.1329 | 1.1181 | 1.1150 |
宜春 | 1.0090 | 1.0111 | 1.0089 | 1.0287 | 1.0077 | 1.0124 | 1.0537 | 1.0264 | 1.0278 | 1.0629 |
抚州 | 1.0564 | 1.0832 | 1.1302 | 1.1640 | 1.2059 | 1.2289 | 1.1559 | 1.1380 | 1.1580 | 1.1679 |
上饶 | 0.8856 | 0.9925 | 1.0122 | 1.0283 | 1.0402 | 0.9842 | 0.9947 | 0.9947 | 1.0104 | 1.0374 |
Table 6
Estimation results of single threshold model"
变量 | 系数 | 标准误 | T统计量 | P值 |
---|---|---|---|---|
RATEitI(RATEit≤0.428) | 0.5089*** | 0.1475 | 3.45 | 0.001 |
RATEitI(RATEit>0.428) | 0.2495** | 0.1070 | 2.33 | 0.022 |
INCit | 0.0609** | 0.0253 | 2.41 | 0.018 |
IRRit | 0.0208* | 0.1012 | 1.92 | 0.083 |
FERit | 0.1978* | 0.1038 | 1.91 | 0.060 |
ATPit | -0.0135* | 0.0242 | -1.95 | 0.079 |
Table 7
Regional distribution pattern of the effect of agricultural population transfer on cultivated land use efficiency in Jiangxi province"
农业人口转移对耕地利用效率影响程度 | 2007年 | 2016年 |
---|---|---|
影响较大区(RATE≤0.428) | 南昌(0.254)、景德镇(0.399)、九江(0.351)、新余(0.261)、鹰潭(0.300)、赣州(0.242)、吉安(0.209)、宜春(0.244)、抚州(0.193)、上饶(0.269) | 南昌(0.371)、赣州(0.360)、宜春(0.275)、上饶(0.325) |
影响较小区(RATE>0.428) | 萍乡(0.546) | 景德镇(0.605)、萍乡(0.560)、九江(0.445)、新余(0.513)、鹰潭(0.577)、吉安(0.455)、抚州(0.434) |
Table 8
Comparison of different model estimation results"
变量 | 固定效应模型 | 单门槛模型 | |||||||
---|---|---|---|---|---|---|---|---|---|
系数 | 标准误 | T统计量 | P值 | 系数 | 标准误 | T统计量 | P值 | ||
RATEit | 0.2929** | 0.1158 | 2.53 | 0.0133 | - | - | - | - | |
RATEitI(RATEit≤0.428) | - | - | - | - | 0.5089*** | 0.1475 | 3.45 | 0.001 | |
RATEitI(RATEit>0.428) | - | - | - | - | 0.2495** | 0.1070 | 2.33 | 0.022 | |
INCit | 0.0100* | 0.0614 | 2.31 | 0.0706 | 0.0609** | 0.0253 | 2.41 | 0.018 | |
IRRit | 0.1373* | 0.1091 | 1.93 | 0.0919 | 0.0208* | 0.1012 | 1.92 | 0.083 | |
FERit | 0.0065* | 0.1033 | 2.05 | 0.0535 | 0.1978* | 0.1038 | 1.91 | 0.060 | |
ATPit | -0.1988*** | 0.0575 | -3.456 | 0.0009 | -0.0135* | 0.0242 | -1.95 | 0.079 |
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