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

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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.
Keywords
PLACE, CITIES, COMPLEX NETWORKS, Pearl River Delta, Yangtze River Delta, CORPORATE NETWORKS, advanced producer service, network measurement, city network

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MLA
Zhao, Miaoxi et al. “A Novel Method for Approximating Intercity Networks: An Empirical Comparison for Validating the City Networks in Two Chinese City-regions.” JOURNAL OF GEOGRAPHICAL SCIENCES 25.3 (2015): 337–354. Print.
APA
Zhao, Miaoxi, Wu, K., Liu, X., & Derudder, B. (2015). A novel method for approximating intercity networks: an empirical comparison for validating the city networks in two Chinese city-regions. JOURNAL OF GEOGRAPHICAL SCIENCES, 25(3), 337–354.
Chicago author-date
Zhao, Miaoxi, Kang Wu, Xingjian Liu, and Ben Derudder. 2015. “A Novel Method for Approximating Intercity Networks: An Empirical Comparison for Validating the City Networks in Two Chinese City-regions.” Journal of Geographical Sciences 25 (3): 337–354.
Chicago author-date (all authors)
Zhao, Miaoxi, Kang Wu, Xingjian Liu, and Ben Derudder. 2015. “A Novel Method for Approximating Intercity Networks: An Empirical Comparison for Validating the City Networks in Two Chinese City-regions.” Journal of Geographical Sciences 25 (3): 337–354.
Vancouver
1.
Zhao M, Wu K, Liu X, Derudder B. A novel method for approximating intercity networks: an empirical comparison for validating the city networks in two Chinese city-regions. JOURNAL OF GEOGRAPHICAL SCIENCES. 2015;25(3):337–54.
IEEE
[1]
M. Zhao, K. Wu, X. Liu, and B. Derudder, “A novel method for approximating intercity networks: an empirical comparison for validating the city networks in two Chinese city-regions,” JOURNAL OF GEOGRAPHICAL SCIENCES, vol. 25, no. 3, pp. 337–354, 2015.
@article{8166262,
  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.}},
  author       = {{Zhao, Miaoxi and Wu, Kang and Liu, Xingjian and Derudder, Ben}},
  issn         = {{1009-637X}},
  journal      = {{JOURNAL OF GEOGRAPHICAL SCIENCES}},
  keywords     = {{PLACE,CITIES,COMPLEX NETWORKS,Pearl River Delta,Yangtze River Delta,CORPORATE NETWORKS,advanced producer service,network measurement,city network}},
  language     = {{eng}},
  number       = {{3}},
  pages        = {{337--354}},
  title        = {{A novel method for approximating intercity networks: an empirical comparison for validating the city networks in two Chinese city-regions}},
  url          = {{http://dx.doi.org/10.1007/s11442-015-1172-0}},
  volume       = {{25}},
  year         = {{2015}},
}

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