中国19家港口上市公司业绩与投入拥堵

IF 6.3 2区 工程技术 Q1 ECONOMICS
Zhong Fang , Na Luo , Qiqi Xiao , Yung-ho Chiu
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引用次数: 0

摘要

在全球港口行业竞争激烈的环境中,绩效衡量是港口运营商强有力的管理工具,而投入拥堵是影响绩效的关键因素之一。本文的研究为我国港口企业优化资源配置、减少投入拥堵、提升竞争力提供了参考信息。我们扩展了基本的WY-TS (Wan and Yan, 2004;Tone和Sahoo, 2004)方法转化为考虑不良输出的动态两阶段模型,这标志着阶段输入拥塞法首次在多个决策单元中应用。我们的研究得出以下结论。首先,在整个研究期间,只有南京港和盐田港始终保持高效,而可持续性是目前中国港口公司提高整体绩效的最大障碍。第二,投入拥堵主要发生在大型企业。我们认为,追求规模经济并不适用于所有效率低下的公司。对于大型企业来说,科学制定扩张战略更为重要。三是江苏、广东、广西、河北的港口企业劳动力拥堵更为严重,北方省份的港口企业能源拥堵更为严重。第四,中国港口企业从生产型向盈利性和可持续性转型的效率较低,产能过剩。五是新冠肺炎疫情对我国港口企业投入拥堵和生产效率的影响有所加剧。在此基础上,本文提出了港口企业资源优化配置的具体建议。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

The performance and input congestion of 19 listed port companies in China

The performance and input congestion of 19 listed port companies in China
In the highly competitive environment of the global port industry, performance measurement is a powerful management tool for port operators, and input congestion is one key factor affecting performance. Our research offers reference information for optimizing resource allocation, reducing input congestion, and enhancing the competitiveness of Chinese port companies. We extend the basic WY-TS (Wan and Yan, 2004; Tone and Sahoo, 2004) method to a dynamic two-stage model that considers undesirable outputs, marking the first application of the stage input congestion method across multiple decision-making units. Our study yields the following findings. First, only Nanjing Port and Yantian Port are consistently efficient throughout the study period, and sustainability is currently the most significant barrier to improving overall performance for Chinese port companies. Second, input congestion is primarily observed in large enterprises. We believe that the pursuit of economies of scale does not apply to all inefficient companies. For large enterprises, scientific formulation of expansion strategies is more important. Third, port companies in Jiangsu, Guangdong, Guangxi, and Hebei experience more severe labor congestion, while those in northern provinces face more significant energy congestion. Fourth, the efficiency of Chinese port companies in transitioning from production to profitability and sustainability is low, exhibiting overcapacity. Fifth, the aggravating impact of the COVID-19 pandemic on input congestion and production efficiency in Chinese port companies showed a delay. Based on these findings, this paper presents specific recommendations for optimizing resource allocation in port companies.
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来源期刊
Transport Policy
Transport Policy Multiple-
CiteScore
12.10
自引率
10.30%
发文量
282
期刊介绍: Transport Policy is an international journal aimed at bridging the gap between theory and practice in transport. Its subject areas reflect the concerns of policymakers in government, industry, voluntary organisations and the public at large, providing independent, original and rigorous analysis to understand how policy decisions have been taken, monitor their effects, and suggest how they may be improved. The journal treats the transport sector comprehensively, and in the context of other sectors including energy, housing, industry and planning. All modes are covered: land, sea and air; road and rail; public and private; motorised and non-motorised; passenger and freight.
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