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17 December 2020 Operation Efficiency Evaluation of Listed Port Companies in China
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Gao, L. and Sun, Q., 2020. Operation efficiency evaluation of listed port companies in China. In: Liu, X. and Zhao, L. (eds.), Today's Modern Coastal Society: Technical and Sociological Aspects of Coastal Research. Journal of Coastal Research, Special Issue No. 111, pp. 317–321. Coconut Creek (Florida), ISSN 0749-0208.

This study selected cross-section data for 17 port companies listed on the Shanghai Stock Exchange and Shenzhen Stock Exchange in 2014 and 2019 and evaluated efficiency with a three-stage data envelopment analysis model. The results showed that, compared with 2014, the average comprehensive technical efficiency in 2019 decreased to a certain extent; the comprehensive technical efficiency of six companies was lower than the average; and the pure technical efficiency of four companies was lower than the average level. In terms of returns to scale, more than 35% of companies had resource allocation problems. In general, the operating efficiency of the 17 listed port companies showed a trend of obvious polarization. For specific companies, the utilization rate of resources and technology of eight companies (namely, Zhuhai Port, Rizhao Port, Jinzhou Port, Tianjin Port, Lianyungang, Dalian Port, Ningbo Port, Huaihe Energy) was relatively low. Four companies (namely, Chongqing Gangjiu, Tianjin Port, Ningbo Port, Huaihe Energy) showed decreasing returns to scale. It is necessary to integrate enterprise resources, formulate a reasonable port-management system, pay attention to the training of technical personnel, and control the moderate expansion of company scale.

©Coastal Education and Research Foundation, Inc. 2020
Ling Gao and Qi Sun "Operation Efficiency Evaluation of Listed Port Companies in China," Journal of Coastal Research 111(sp1), 317-321, (17 December 2020).
Received: 17 April 2020; Accepted: 3 August 2020; Published: 17 December 2020

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