Authors:

Iris Zheng

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About Paper:

The freight rate for containers from Shanghai to LA surged after the pandemic hit, yet the increased demand for medical supplies and Americans' shifted purchasing habits were not the sole reason behind it. The other possible reason was that the severe congestion at the Port of Los Angeles decreased the overall supply of containers in the round trip between Shanghai and LA. The constraints that lead to congestion at the Port of Los Angeles include reduced terminal space, an inefficient trucking system, skilled labor shortages, and outdated technology at the port. However, other factors that different between  import peaks in 2018 and 2021 have exaggerated the congestion at the Port of Los Angeles during the pandemic. This paper develops a simulation model to investigate how congestion builds upon congestion. The model incorporates the scenarios of vessel redirection and decreased processing efficiency when the port is congested, and it indicates that the real processing capacity of a port is significantly lower than the theoretical one. The findings obtained from this paper could provide useful insights for risk resilience at ports and mitigation of such disruption in the future. A Novel Function of MARCKS in Macrophage Activation and Pulmonary Fibrosis Zilan Zheng

Source:

UC Davis / Ag & Resource Economics / 2023

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Co-authors:

Iris Zheng