Highlights Proposing a novel ternary diagram method to analyse the evolution of a multi-port system. Using the Maximum Value of the Component (MVC) to compare with concentration ratio. Applying the Distance of a Point to the Barycentre (DPB) to compare with Herfindahl-Hirschman-Index. Employing the Change of the Three Components (CTC) to compare with shift share analysis.

    Abstract The Yangtze River Delta (YRD) is the most developed area in China attracting global attention. Noting that the concentration ratio (CR(n)), Herfindahl-Hirschman Index (HHI) (also including Gini coefficient and Aitchison distance) and shift-share analysis (SSA) are only allowed to describe the concentration, inequality and competition of a multi-port system respectively. A novel ternary diagram method is proposed to include these five methods together and provide a comprehensive and visual tool to conveniently investigate the concentration gradient, inequality and competition of the YRD multi-port system simultaneously. The ternary diagram also permit to substitute individually for the CR(n), HHI (also including Gini coefficient and Aitchison distance) and SSA as a tool to investigate the concentration, inequality and competition of a multi-port system. This method provides a new perspective for better interpretation of the spatial and temporal evolution of shipping and multi-port systems.


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    Title :

    Visualization of container throughput evolution of the Yangtze River Delta multi-port system: the ternary diagram method


    Contributors:


    Publication date :

    2020-07-19




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English