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基于三阶段DEA模型的农业生产效率及其时空特征研究——以长江经济带为例

本站小编 Free考研考试/2022-01-01

崔海洋1,,
卓雯君1,
虞虎2,,,
龙娇1,
刘玉芳3
1.贵州大学经济学院 贵阳 550025
2.中国科学院地理科学与资源研究所 北京 100101
3.重庆文理学院 重庆 402160
基金项目: 中国科学院战略性先导科技专项(A类)XDA23020101
国家自然科学基金项目41801129

详细信息
作者简介:崔海洋, 研究方向为民族学、生态人类学。E-mail: hosanna2004@163.com
通讯作者:虞虎, 研究方向为旅游可持续发展。E-mail: yuhuashd@126.com
中图分类号:F323.22;F224

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出版历程

收稿日期:2020-11-19
录用日期:2021-02-23
刊出日期:2021-07-01

Calculation of agricultural production efficiency based on a three-stage Data Envelopment Analysis model and analysis of the spatial-temporal characteristics: An example from the Yangtze River Economic Belt

CUI Haiyang1,,
ZHUO Wenjun1,
YU Hu2,,,
LONG Jiao1,
LIU Yufang3
1. School of Economics, Guizhou University, Guiyang 550025, China
2. Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
3. Chongqing University of Arts and Sciences, Chongqing 402160, China
Funds: the Strategic Leading Science and Technology Project (Class A) of Chinese Academy of SciencesXDA23020101
the National Natural Science Foundation of China41801129

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Corresponding author:YU Hu, E-mail: yuhuashd@126.com


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摘要
摘要:为响应长江经济带"大保护"的战略号召和完成国家赋予长江经济带各省市的重大历史任务,长江经济带正在推进农业产业结构调整、优化投入产出比例,保障稳定可持续的农业生产。本文基于三阶段DEA模型和聚类分析相结合的方法,以2008-2018年的长江经济带为例,测算其农业生产效率并分析时空特征。研究表明,外生环境因素对长江经济带农业生产效率的影响显著,存在明显的时空差异。其中:1)剔除环境因素后,长江经济带农业生产效率整体向好,四川省和江苏省处于效率前沿面,上海市的农业生产效率值出现明显下降;2)长江经济带农业生产效率逐年波动发展,长江中游地区相对上游和下游地区的农业生产效率更具优势,个别省份的农业生产效率水平与其经济社会发展程度不匹配;3)劳动力、土地、灌溉等投入要素的增加均会引起农业生产效率的增加,财政投入力度及人均GDP与农业生产效率之间不存在明显的正向相关关系,受灾面积对农业生产效率有显著负面影响。
关键词:农业生产效率/
三阶段DEA/
时空特征/
长江经济带
Abstract:In response to the strategic call for the "Great Protection" of the Yangtze River Economic Belt and to fulfill the important historical tasks assigned by the state to the provinces and cities of the area, the Yangtze River Economic Belt is adjusting the agricultural industry structure, optimizing the input-output ratio, and ensuring stable and sustainable agricultural production. Based on the combination of the three-stage Data Envelopment Analysis (DEA) model and cluster analysis, this study examined the Yangtze River Economic Belt from 2008 to 2018 to measure its agricultural production efficiency and to analyze its temporal and spatial characteristics. Studies shown that exogenous environmental factors significantly (P < 5%) impact agricultural production efficiency in the Yangtze River Economic Zone, and there were temporal and spatial differences. These include: 1) after excluding environmental factors, the overall agricultural production efficiency of the Yangtze River Economic Zone had improved. Sichuan and Jiangsu Provinces were at the forefront of efficiency, whereas the agricultural production efficiency of Shanghai had obviously declined. 2) The agricultural production efficiency of the Yangtze River Economic Belt varied year by year, with fluctuating development. The middle reaches of the Yangtze River had advanced agricultural production efficiency more than the upstream and downstream regions, and the agricultural production efficiency of the individual provinces did not match their economic and social development. 3) Increases in labor, land, irrigation, and other input factors increased agriculture production efficiency, there was no correlation between fiscal investment per capita gross domestic product (GDP) and agricultural production efficiency. The disaster-affected area had a significant negative impact on agricultural production efficiency.
Key words:Agricultural production efficiency/
Three-stage Date Envelopment Analysis/
Temporal and spatial characteristics/
Yangtze River Economic Belt

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图1长江经济带农业生产总值及其占全国比重
Figure1.Gross agricultural production value of the Yangtze River Economic Zone and its national proportion


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图2长江经济带各省(市)调整前与调整后的农业生产效率
Figure2.Agricultural production efficiencies of provinces (cities) of the Yangtze River Economic Belt before and after adjustment


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图32008 — 2 01 8年长江经济带上中下游省市农业生产效率均值趋势
Figure3.Trends of average agricultural production efficiencies in the upper, middle and lower reaches of the Yangtze River Economic Belt from 2008 to 2018


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表1长江经济带农业生产效率相关变量及其统计性描述
Table1.Variables related to agricultural production efficiency in the Yangtze River Economic Belt and their statistical description
变量类型
Variable type
名称
Name
单位
Unit
符号
Symbolic
均值
Mean
标准差
Standard deviation
产出变量
Output variable
农业总产值Total agricultural output value 108 OP 3181.44 1864.72
投入变量
Input variable
农业机械总动力Total power of agricultural machinery 104 kW I1 3188.36 1728.36
农用化肥施用量Amount of agricultural fertilizer 104 t I2 192.14 107.74
第一产业劳动力Primary industry labor 104 peoples I3 1116.14 562.09
农作物播种面积Sown area of crops 103 hm2 I4 4954.79 2780.96
有效灌溉面积Effective irrigation area 103 hm2 I5 2127.21 1178.15
环境变量
Environment variable
财政对农业的支持Financial support for agriculture 108 E1 474.32 251.24
人均GDP GDP per capita E2 46 181.66 20 614.85
受灾面积Disaster-affected area 103 hm2 E3 823.50 908.06


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表22008 —2018年长江经济带省市的农业产出与投入的Pearson相关系数检验
Table2.Pearson correlation coefficient test of agricultural output and input in provinces and cities of the Yangtze River Economic Belt from 2008 to 2018
OP I1 I2 I3 I4 I5
OP 1.000
I1 0.754*** 1.000
I2 0.793** 0.832*** 1.000
I3 0.547*** 0.663*** 0.725*** 1.000
I4 0.296*** 0.692*** 0.639*** 0.518*** 1.000
I5 0.809*** 0.925*** 0.885*** 0.592*** 0.581*** 1.000
OP、I1-I5为表 1中的投入及产出变量。*和**表示P < 0.05和P < 0.01水平显著相关。OP and I1-I5 are the input and output variables shown in the table 1. * and ** represent significant correlations at P < 0.05 and P < 0.01 levels, respectively.


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表3一阶段DEA-BCC模型下的2008 —2018年长江经济带的农业生产效率
Table3.Agricultural production efficiencies of provinces (cities) of the Yangtze River Economic Belt Region from 2008 to 2018 based on the one-stage DEA-BCC model
省(市) Province (city) 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 均值Mean
安徽Anhui 0.557 0.519 0.560 0.552 0.561 0.468 0.503 0.508 0.509 0.502 0.474 0.512
贵州Guizhou 0.620 0.563 0.554 0.518 0.572 0.526 0.514 0.494 0.494 0.518 0.535 0.537
江西Jiangxi 0.723 0.664 0.676 0.665 0.644 0.646 0.702 0.741 0.804 0.820 0.752 0.712
湖南Hunan 0.759 0.819 0.896 0.892 0.821 0.787 0.813 0.440 0.482 0.533 0.638 0.716
云南Yunnan 0.706 0.747 0.703 0.620 0.754 0.829 0.822 0.792 0.723 0.717 0.914 0.757
湖北Hubei 0.933 0.935 0.981 0.994 0.969 0.995 1.000 0.868 0.906 0.920 0.898 0.945
重庆Chongqing 0.899 0.929 0.932 0.963 0.942 1.000 1.000 1.000 1.000 1.000 1.000 0.970
江苏Jiangsu 0.869 0.869 0.964 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 0.973
浙江Zhejiang 1.000 0.960 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 0.996
四川Sichuan 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000
上海Shanghai 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000


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表4长江经济带的农业生产效率二阶段似SFA前沿回归调整结果
Table4.SFA forward regression adjustment results in two-stage of agricultural production efficiency in the Yangtze River Economic Belt
环境变量Environment variable 松弛变量Slack
variable
I1 I2 I3 I4 I5
E1 –0.171 –0.001 0.034** –0.133 –0.013
E2 0.001** 0.001* 0.000 0.214* 0.000
E3 0.0561 0.008 –0.0084** –0.0046** 0.0474
C –163.570* –8.870*** 25.910** –195.410** –92.770*
LR test 72.45 45.45 42.89 85.35 83.96
Prob > chi 0.00 0.00 0.00 0.00 0.00
log likelihood –998.98 –611.87 –851.67 –1088.88 –929.67
E1-E3、I1-I5见表 1中的环境变量和投入变量。*、**和***表示P < 0.1、P < 0.05和P < 0.01水平显著相关。E1-E3 and I1-I5 are the environmental and output variables shown in the table 1. *, ** and *** represent significant correlations at P < 0.1, P < 0.05 and P < 0.01 levels, respectively.


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表52008 —2018年三阶段DEA-BCC调整后长江经济带各省市的农业生产效率值
Table5.Agricultural production efficiencies of provinces (cities) of the Yangtze River Economic Belt from 2008 to 2018 based on the three-stage DEA-BCC model
地区Area 省(市) Province (city) 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 均值Mean
上游
Upstream
云南Yunnan 0.734 0.802 0.759 0.632 0.826 0.858 0.926 0.908 0.876 0.830 0.965 0.829
四川Sichuan 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000
贵州Guizhou 0.646 0.535 0.724 0.679 0.571 0.643 0.634 0.444 0.502 0.527 0.583 0.590
重庆Chongqing 0.805 0.856 0.824 0.814 0.804 0.896 0.864 0.878 0.905 1.000 1.000 0.877
中游
Midstream
湖北Hubei 0.989 0.988 0.979 0.949 0.981 1.000 1.000 0.972 1.000 1.000 1.000 0.987
湖南Hunan 0.961 0.997 1.000 0.999 1.000 0.996 0.970 0.572 0.650 0.797 0.766 0.883
江西Jiangxi 0.982 0.872 0.856 0.807 0.836 0.943 0.962 0.796 0.951 0.843 0.910 0.887
下游
Downstream
江苏Jiangsu 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000
安徽Anhui 0.814 0.894 0.755 0.767 0.731 0.750 0.741 0.704 0.752 0.752 0.691 0.759
浙江Zhejiang 1.000 0.983 1.000 1.000 0.956 1.000 1.000 0.927 0.832 0.864 0.956 0.956
上海Shanghai 0.480 0.240 1.000 1.000 0.660 1.000 0.460 0.515 0.680 0.130 0.230 0.581


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表6剔除环境变量后长江经济带农业生产效率聚类分析结果比较
Table6.Comparison of cluster analysis results of agricultural production efficiencies in the Yangtze River Economic Belt after excluding environmental variables
地区分类Area class 第1阶段The first stage 第3阶段The third stage
四川、上海Sichuan, Shanghai 四川、江苏Sichuan, Jiangsu
湖北、重庆、江苏、浙江Hubei, Chongqing, Jiangsu, Zhejiang 重庆、湖南、江西、浙江、湖北Chongqing, Hunan, Jiangxi, Zhejiang, Hubei
云南、江西、湖南Yunnan, Jiangxi, Hunan 云南、安徽Yunnan, Anhui
安徽、贵州Anhui, Guizhou 贵州、上海Guizhou, Shanghai


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