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An optimal control theory approach for freight structure path evolution post-COVID-19 pandemic.
Lu, Changxiang; Ye, Yong; Fang, Yongjun; Fang, Jiaqi.
  • Lu C; Institute of Public Health & Emergency Management, Taizhou University, Taizhou, 310888, Zhejiang, China.
  • Ye Y; Business College, Taizhou University, Taizhou, 310888, Zhejiang, China.
  • Fang Y; Institute of Public Health & Emergency Management, Taizhou University, Taizhou, 310888, Zhejiang, China.
  • Fang J; Business College, Taizhou University, Taizhou, 310888, Zhejiang, China.
Socioecon Plann Sci ; : 101430, 2022 Sep 06.
Article in English | MEDLINE | ID: covidwho-2232732
ABSTRACT
After the outbreak of COVID-19, the freight demand fell briefly, and as production resumed, the trucking share rate increased again, further increasing energy consumption and environmental pollution. To optimize the sudden changing freight structure, the study aims on developing an evolution model based on Markov's theory to estimate the freight structure post-COVID-19. The current study applies economic cybernetics to establish a freight structural adjustment path optimization model and solve the problem of how much freight transportation should increase each year under the premise that the total turnover of the freight industry continues to grow, and how many years it will take at least to reach a reasonable freight structure. The freight transport structure of China is used to examine the feasibility of the proposed model. The finding indicates that the development of China's freight transport structure is at an adjustment period and should enter a stable period by 2035 and the COVID-19 makes it harder to adjust the freight structure. Increasing the growth rate of the freight volume of railway and waterway transportation is the key to realizing the optimization of the freight structure, and the freight structure path optimization method can realize the rationalization of the freight structure in advance.
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Full text: Available Collection: International databases Database: MEDLINE Topics: Long Covid Language: English Journal: Socioecon Plann Sci Year: 2022 Document Type: Article Affiliation country: J.seps.2022.101430

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Full text: Available Collection: International databases Database: MEDLINE Topics: Long Covid Language: English Journal: Socioecon Plann Sci Year: 2022 Document Type: Article Affiliation country: J.seps.2022.101430