Evolution and Differentiation of Coupling Coordination Between Technological Innovation and Green Development in Chinese Cities
Received date: 2020-07-30
Revised date: 2021-02-09
Online published: 2025-04-08
Based on the sample of 283 cities in China,this paper uses the coupling coordination model,Dagum Gini coefficient to reveal the spatial-temporal characteristics of the coupling coordination degree between technological innovation and green development in China,and its differential facts. Results show that: 1) Owing to the continuous improvement of technological innovation,the coupling coordination degree between technological innovation and green development of Chinese cities is slowly increasing annually. Northeast China,North China,South China,East China and Southwest China are areas with moderate coupling coordination,while Central China and Northwest China are areas with low coupling coordination. Only Northeast China shows a downward trend on the coupling coordination degree. The city size is positively correlated with the coupling coordination degree,and such relationship evinces great differences among different city sizes. 2) The difference of coupling coordination degree among regions accounts for 48.7% of the overall difference,especially the difference between East China,South China and Northwest,Southwest and Northeast China. The difference among different city sizes accounts for 84.18% of the total difference,whereas that within the same city size is small. This paper studies the coupling coordination between technological innovation and green development in Chinese cities from the perspective of system theory,whose conclusions provide policy support for the implementation of green development strategy of innovation driven economy.
HAN Yongnan , GE Pengfei , ZHOU Bole . Evolution and Differentiation of Coupling Coordination Between Technological Innovation and Green Development in Chinese Cities[J]. Economic geography, 2021 , 41(6) : 12 -19 . DOI: 10.15957/j.cnki.jjdl.2021.06.002
表1 指标体系Tab.1 Index system |
一级指标 | 二级指标 | 三级指标 | 指标说明 |
---|---|---|---|
技术创新 | 创新投入 | 政府投入 | 政府科技拨款占财政支出比重 |
科研人员 | 高等学校专任教师数 | ||
创新产出 | 发明专利 | 发明专利数量 | |
外观专利 | 外观专利数量 | ||
实用新型专利 | 实用新型专利数量 | ||
创新环境 | 公共图书馆图书藏量 | 公共图书馆馆藏图书数量 | |
绿色发展 | 投入要素 | 资本要素 | 全社会固定资产投资总额 |
劳动力要素 | 年末单位从业人数 | ||
能源要素 | 供水总量、城市建成区面积、全社会用电量 | ||
期望产出 | 经济效益 | GDP(2005年不变价) | |
社会效益 | 城市职工平均工资、社会消费品零售总额 | ||
环境效益 | 城市绿地覆盖率、工业固体废物综合利用率、污水处理厂集中处理率、生活垃圾无害化处理率 | ||
非期望产出 | 环境污染 | 工业废水排放量、工业SO2排放量、工业烟尘排放量 |
表2 耦合协调度的整体时间演变Tab.2 Temporal evolution of the coupling coordination degree |
年份 | Uino | Ugd | Uino/Ugd | Dino_gd |
---|---|---|---|---|
2004 | 0.1214 | 0.6606 | 0.1838 | 0.3919 |
2005 | 0.1133 | 0.4936 | 0.2296 | 0.3540 |
2006 | 0.0869 | 0.4742 | 0.1833 | 0.3310 |
2007 | 0.0996 | 0.4178 | 0.2383 | 0.3311 |
2008 | 0.1111 | 0.3908 | 0.2843 | 0.3376 |
2009 | 0.1228 | 0.4165 | 0.2949 | 0.3584 |
2010 | 0.1346 | 0.3971 | 0.3390 | 0.3724 |
2011 | 0.1462 | 0.4322 | 0.3383 | 0.3874 |
2012 | 0.1518 | 0.4384 | 0.3463 | 0.3987 |
2013 | 0.1559 | 0.4173 | 0.3736 | 0.4077 |
2014 | 0.1631 | 0.3465 | 0.4707 | 0.3881 |
2015 | 0.1755 | 0.3421 | 0.5130 | 0.4113 |
2016 | 0.2072 | 0.4017 | 0.5158 | 0.4326 |
2017 | 0.1952 | 0.4445 | 0.4394 | 0.4391 |
表3 耦合协调度的分城市规模特征Tab.3 Characteristics of the coupling coordination degree based on city scale |
年份 | 一线 | 新一线 | 二线 | 三线 | 四线 | 五线 |
---|---|---|---|---|---|---|
2004 | 0.8010 | 0.5476 | 0.3887 | 0.2757 | 0.2147 | 0.1819 |
2005 | 0.7382 | 0.4757 | 0.3433 | 0.2379 | 0.1847 | 0.1512 |
2006 | 0.6912 | 0.4531 | 0.3153 | 0.2220 | 0.1748 | 0.1379 |
2007 | 0.6920 | 0.4378 | 0.3259 | 0.2281 | 0.1774 | 0.1393 |
2008 | 0.7041 | 0.4542 | 0.3409 | 0.2361 | 0.1804 | 0.1396 |
2009 | 0.7313 | 0.4900 | 0.3686 | 0.2478 | 0.1876 | 0.1461 |
2010 | 0.7538 | 0.5155 | 0.3919 | 0.2579 | 0.1932 | 0.1516 |
2011 | 0.7474 | 0.5656 | 0.4283 | 0.2868 | 0.2135 | 0.1694 |
2012 | 0.7387 | 0.5884 | 0.4431 | 0.2994 | 0.2261 | 0.1787 |
2013 | 0.7443 | 0.5778 | 0.4335 | 0.3001 | 0.2315 | 0.1806 |
2014 | 0.7271 | 0.5627 | 0.4214 | 0.2947 | 0.2235 | 0.1707 |
2015 | 0.7739 | 0.5587 | 0.4317 | 0.3037 | 0.2284 | 0.1737 |
2016 | 0.8008 | 0.6135 | 0.4757 | 0.3301 | 0.2514 | 0.1917 |
2017 | 0.7963 | 0.6122 | 0.4775 | 0.3368 | 0.2578 | 0.1971 |
平均值 | 0.7752 | 0.5431 | 0.4196 | 0.2901 | 0.2208 | 0.1710 |
注:一线城市为北京、上海、广州、深圳,新一线城市为成都、杭州、重庆、武汉、西安、苏州、天津、南京、长沙、郑州、东莞、青岛、沈阳、宁波、昆明,二线城市包括无锡等30个城市,三线城市包括汕头等70个城市,四线城市包括韶关等79个城市,五线城市包括防城港等85个城市。 |
表4 耦合协调度的区域差异性分析Tab.4 Regional difference analysis of the coupling coordination degree |
年份 | 2004 | 2006 | 2008 | 2010 | 2012 | 2014 | 2015 | 2016 | 2017 | |
---|---|---|---|---|---|---|---|---|---|---|
区域内差距 | 总体 | 0.2502 | 0.2715 | 0.2783 | 0.2809 | 0.2578 | 0.2535 | 0.2506 | 0.2426 | 0.2386 |
东北 | 0.2124 | 0.2496 | 0.2443 | 0.2591 | 0.2416 | 0.2623 | 0.2586 | 0.2535 | 0.2436 | |
华北 | 0.2655 | 0.2774 | 0.2896 | 0.2770 | 0.2507 | 0.2773 | 0.2810 | 0.2709 | 0.2559 | |
华中 | 0.1835 | 0.1724 | 0.1881 | 0.1888 | 0.1777 | 0.1763 | 0.1673 | 0.1601 | 0.1528 | |
华南 | 0.3075 | 0.3492 | 0.3415 | 0.3606 | 0.2682 | 0.2480 | 0.2524 | 0.2247 | 0.2301 | |
华东 | 0.2333 | 0.2465 | 0.2508 | 0.2328 | 0.2086 | 0.1923 | 0.1835 | 0.1821 | 0.1792 | |
西南 | 0.2395 | 0.2741 | 0.2722 | 0.2667 | 0.2698 | 0.2332 | 0.2155 | 0.2153 | 0.2129 | |
西北 | 0.2378 | 0.2560 | 0.2505 | 0.2529 | 0.2277 | 0.2091 | 0.2129 | 0.1838 | 0.1832 | |
贡献率(%) | 区域内 | 16.06 | 16.01 | 16.06 | 15.60 | 15.23 | 14.77 | 14.48 | 14.47 | 14.38 |
区域间 | 23.17 | 26.16 | 30.99 | 36.62 | 41.03 | 43.81 | 45.33 | 47.10 | 48.70 | |
超变密度 | 60.77 | 57.83 | 52.95 | 47.78 | 43.73 | 41.41 | 40.19 | 38.43 | 36.92 |
注:区域间差距未列出,备索。表5同。 |
表5 耦合协调度的城市规模差异性分析Tab.5 Analysis of differences of the coupling coordination degree based on city size |
年份 | 2004 | 2006 | 2008 | 2010 | 2012 | 2014 | 2015 | 2016 | 2017 | |
---|---|---|---|---|---|---|---|---|---|---|
区域内差距 | 总体 | 0.2502 | 0.2715 | 0.2783 | 0.2809 | 0.2578 | 0.2535 | 0.2506 | 0.2426 | 0.2386 |
一线城市 | 0.0676 | 0.0764 | 0.1323 | 0.1452 | 0.3182 | 0.3158 | 0.0895 | 0.2946 | 0.2878 | |
新一线城市 | 0.0874 | 0.1055 | 0.0711 | 0.0727 | 0.0659 | 0.1096 | 0.0970 | 0.0950 | 0.0756 | |
二线城市 | 0.1190 | 0.1281 | 0.1211 | 0.1191 | 0.1196 | 0.0999 | 0.0979 | 0.0962 | 0.0900 | |
三线城市 | 0.1507 | 0.1629 | 0.1707 | 0.1535 | 0.1373 | 0.1320 | 0.1274 | 0.1106 | 0.1103 | |
四线城市 | 0.1174 | 0.1441 | 0.1488 | 0.1414 | 0.1256 | 0.1222 | 0.1115 | 0.1004 | 0.0957 | |
五线城市 | 0.1402 | 0.1580 | 0.1614 | 0.1774 | 0.1430 | 0.1414 | 0.1370 | 0.1319 | 0.1350 | |
贡献率(%) | 规模内 | 11.18 | 11.55 | 11.51 | 11.11 | 10.83 | 10.79 | 10.26 | 9.85 | 9.89 |
规模间 | 80.19 | 79.71 | 80.40 | 82.15 | 81.14 | 81.56 | 85.23 | 84.10 | 84.18 | |
超变密度 | 8.64 | 8.74 | 8.09 | 6.74 | 8.02 | 7.66 | 4.51 | 6.05 | 5.93 |
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