NDLI: A novel method for approximating intercity networks: An empirical comparison for validating the city networks in two Chinese city-regions

Content Provider	Springer Nature Link
Author	Zhao, Miaoxi Wu, Kang Liu, Xingjian Ben, Derudder
Copyright Year	2015
Abstract	A network perspective has increasingly become an organizational paradigm for understanding regional spatial structures. Based on a critical overview of existing empirical models for estimating intercity networks based on firm linkages, this study extends the recently proposed regional corporate city model algorithm by proposing a new method for approximating urban networks based on the locational strategies of firms. The new method considers both regional and hierarchical network features and avoids the information loss associated with the conversion from two-mode firm-city networks to one-mode city-city networks. In addition, networks estimated by using the method proposed herein are suitable when employing social network analysis. Finally, this method is empirically validated by examining intercity firm networks formed by advanced producer services firms in China’s two largest metropolitan areas, namely the Yangtze River Delta and Pearl River Delta. The presented empirical analysis suggests two main findings. First, in contrast to conventional methods (e.g., the interlocking city network model), our new method produces regional and hierarchical urban networks that more closely resemble reality. Second, the new method allows us to use social network analysis to assess betweenness and closeness centralities. However, regardless of the model applied, the validity of any method that measures urban networks depends on the soundness of its underlying assumptions about how network actors (firms, in our case) interact.
Starting Page	337
Ending Page	354
Page Count	18
File Format	PDF
ISSN	1009637X
Journal	Journal of Geographical Sciences
Volume Number	25
Issue Number	3
e-ISSN	18619568
Language	English
Publisher	Science Press
Publisher Date	2015-01-11
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	city network network measurement advanced producer service Yangtze River Delta Pearl River Delta Physical Geography Nature Conservation Geographical Information Systems/Cartography Remote Sensing/Photogrammetry
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences

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