Coagglomeration and spatial relatedness of China's industry
Received date: 2020-02-23
Request revised date: 2020-12-08
Online published: 2021-06-25
Supported by
National Social Science Foundation of China(19CJY002)
Copyright
In order to promote the formation of a regional economic location with complementary advantages and high-quality development, it is necessary to examine the spatial pattern of Chinese industry from the perspective of industrial relatedness. Agglomeration is a common spatial pattern of industry. We construct two indices by combining coagglomeration and input-output linkages to analyze spatial relatedness. The first index is used to measure relatedness of agglomerated industries (hereafter ACX index). The second index is used to measure agglomeration of related industries (hereafter CXI index). Then, we use two-digit data from Chinese industrial enterprises database and measure the proposed indices to answer the following 2 questions: (1) whether the spatial relatedness is different at different spatial scales, and (2) what makes the difference in spatial relatedness. We find that more coagglomerations in a region do not mean that the ACX index is large. The ACX index of Chinese industry presents an inverted U-shaped distribution from 2003 to 2013. Comparing different spatial scales, we find that there is a positive correlation between the ACX index and size of the researched space, however, there is a negative correlation between ACX index and size of the basic unit. Comparing similar spatial scales, we find the ACX index is larger in city clusters and the Yangtze Economic Belt. These differences are mainly due to the existing regional governance system, the industrial composition of the region and external shocks. Different regions and industrial composition will evolve into different industrial spatial patterns. Therefore, it is necessary to create networks of cities and towns based on city clusters and the Yangtze River Economic Belt, so as to enhance industrial division and urban cooperation. In this way, the optimal regional economic location and coordinated regional development would be achieved.
ZHANG Keyun , ZHU Chunxiao . Coagglomeration and spatial relatedness of China's industry[J]. Acta Geographica Sinica, 2021 , 76(4) : 1019 -1033 . DOI: 10.11821/dlxb202104016
表1 文中涉及的11种空间尺度Tab. 1 11 spatial scales in this paper |
| 基本单元 | 研究空间 | ||||
|---|---|---|---|---|---|
| 市 | 省 | 城市群 | 长江经济带 | 四大板块 | |
| 区县 | √ | √ | √ | √ | √ |
| 市 | - | √ | √ | √ | √ |
| 省 | - | - | - | √ | √ |
注:“√”表示文中涉及的空间尺度,如第一个“√”表示本文研究了市中的产业在区县层次的空间关联性。 |
表2 文中涉及的25个产业名称及代码Tab. 2 Names and codes of 25 industries in this paper |
| 代码 | 产业名称 | 代码 | 产业名称 | 代码 | 产业名称 |
|---|---|---|---|---|---|
| C1 | 煤炭开采和洗选业 | C11 | 化学工业 | C20 | 仪器仪表及文化办公用机械 制造业 |
| C2 | 石油和天然气开采业 | C12 | 非金属矿物制品业 | ||
| C3 | 金属矿采选业 | C13 | 金属冶炼及压延加工业 | C21 | 其他制造业 |
| C4 | 非金属矿采选业 | C14 | 金属制品业 | C22 | 废弃资源和废旧材料回收加 |
| C5 | 食品制造及烟草加工业 | C15 | 通用设备制造业 | 工业 | |
| C6 | 纺织业 | C16 | 专用设备制造业 | C23 | 电力、热力的生产和供应业 |
| C7 | 服装皮革羽绒及其制品业 | C17 | 交通运输设备制造业 | C24 | 燃气生产和供应业 |
| C8 | 木材加工及家具制造业 | C18 | 电气、机械及器材制造业 | C25 | 水的生产和供应业 |
| C9 | 造纸业及文教用品制造业 | C19 | 通讯设备、计算机及其他电子设备制造业 | ||
| C10 | 石油加工、炼焦及核燃料加工业 |
注:2012年后通用、专用设备制造业拆分为通用设备制造业(C15)和专用设备制造业(C16),故在2003—2011年共研究了24个产业,在2012年和2013年共研究了25个产业。 |
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