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Article

Spatiotemporal Evolution and Determinant Factors of the Intra-Regional Trade Community Structures of the Indian Ocean Region

1
Center for Geodata and Analysis, Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China
2
School of Geographic Science, Harbin Normal University, Harbin 150025, China
*
Author to whom correspondence should be addressed.
Academic Editors: Wolfgang Kainz and Giuseppe Borruso
ISPRS Int. J. Geo-Inf. 2021, 10(4), 214; https://0-doi-org.brum.beds.ac.uk/10.3390/ijgi10040214
Received: 29 December 2020 / Revised: 25 February 2021 / Accepted: 22 March 2021 / Published: 1 April 2021
(This article belongs to the Special Issue Geographic Complexity: Concepts, Theories, and Practices)
The Indian Ocean Region (IOR) has become one of the main economic forces globally, and countries within the IOR have attempted to promote their intra-regional trade. This study investigates the spatiotemporal evolution of the community structures of the intra-regional trade and the impact of determinant factors on the formation of trade community structures of the IOR from 1996 to 2017 using the methods of social network analysis. Trade communities are groups of countries with measurably denser intra-trade ties but with extra-trade ties that are measurably sparser among different communities. The results show that the extent of trade integration and the trade community structures of the IOR changed from strengthening between 1996 and 2014 to weakening between 2015 and 2017. The largest explanatory power of the formation of the IOR trade community structures was the IOR countries’ economic size, indicating that market remained the strongest driver. The second-largest explanatory power was geographical proximity, suggesting that countries within the IOR engaged in intra-regional trade still tended to select geographically proximate trading partners. The third- and the fourth-largest were common civilization and regional organizational memberships, respectively. This indicates that sharing a common civilization and constructing intra-regional institutional arrangements (especially open trade policies) helped the countries within the IOR strengthen their trade communities. View Full-Text
Keywords: community structure; intra-regional trade network; trade integration; social network analysis; community detection; the normalized mutual information entropy; the Indian Ocean Region community structure; intra-regional trade network; trade integration; social network analysis; community detection; the normalized mutual information entropy; the Indian Ocean Region
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MDPI and ACS Style

Yuan, L.; Chen, X.; Song, C.; Cao, D.; Yi, H. Spatiotemporal Evolution and Determinant Factors of the Intra-Regional Trade Community Structures of the Indian Ocean Region. ISPRS Int. J. Geo-Inf. 2021, 10, 214. https://0-doi-org.brum.beds.ac.uk/10.3390/ijgi10040214

AMA Style

Yuan L, Chen X, Song C, Cao D, Yi H. Spatiotemporal Evolution and Determinant Factors of the Intra-Regional Trade Community Structures of the Indian Ocean Region. ISPRS International Journal of Geo-Information. 2021; 10(4):214. https://0-doi-org.brum.beds.ac.uk/10.3390/ijgi10040214

Chicago/Turabian Style

Yuan, Lihua, Xiaoqiang Chen, Changqing Song, Danping Cao, and Hong Yi. 2021. "Spatiotemporal Evolution and Determinant Factors of the Intra-Regional Trade Community Structures of the Indian Ocean Region" ISPRS International Journal of Geo-Information 10, no. 4: 214. https://0-doi-org.brum.beds.ac.uk/10.3390/ijgi10040214

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