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ICIC Express Letters
Compared with other general enterprises, port enterprises have the unique characteristics of fixed geographic location, special economic status and natural monopoly of trade varieties. The Bohai Rim region is a relatively active economic zone in Asia, so this article selects Qingdao Port, Tianjin Port and Dalian Port and the hinterland: Shandong, Tianjin and Liaoning Province as the research objects, and other large coastal ports in China as the reference objects. We used entropy weight TOPSISdoi:10.24507/icicel.15.11.1203 fatcat:46r3acx2cnhd3frwvrx3xsfgaa