Optimal allocation policies for emergency medicine reserve methods against major public health events

ZHANG Weijian, SHI Xianliang, HUANG Anqiang, HUA Guowei, WANG Shouyang, LI Jiangning

Systems Engineering - Theory & Practice ›› 2022, Vol. 42 ›› Issue (1) : 110-122.

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Systems Engineering - Theory & Practice ›› 2022, Vol. 42 ›› Issue (1) : 110-122. DOI: 10.12011/SETP2021-0620

Optimal allocation policies for emergency medicine reserve methods against major public health events

  • ZHANG Weijian1, SHI Xianliang1, HUANG Anqiang1, HUA Guowei1, WANG Shouyang2, LI Jiangning1
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Abstract

Global major public health events have become a serious challenge that endangers human life and destroys social and economic order. Under this situation, it can be seen that emergency medicine reserve is the basis and guarantee of implementing emergency rescue and life-saving. At the same time, emergency medicine reserve directly affects the speed and final effect of emergency response. However, there is no quantitative research on the emergency medicine reserve methods (physical reserve and capital reserve) in the existing studies. Thus, this paper determines the optimal allocation policies of physical reserve and capital reserve of emergency medicine under stochastic demand. Firstly, we establish the reserve allocation model by minimizing the long-term average cost, which quantifies four allocation policies. Besides, we establish the procurement and deployment model of emergency rescue stage, and discuss how to use medicine reserve. Finally, we analyze how the emergency medicine characteristics and demand characteristics affect the optimal physical and capital reserve, so as to adjust the reserve allocation policies more reasonably when the key factors change. The key insights include:1) Once a certain threshold for the penalty cost is passed, building up capital reserve becomes more cost-effective than building up physical reserve; 2) While the optimal capital reserve level always increases with the uncertainty of the demand, the optimal physical reserve level may decrease with it. The research findings can provide decision support for relevant government departments to respond to public health events.

Key words

public health events / emergency medicine / physical reserve / capital reserve / stochastic demand

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ZHANG Weijian , SHI Xianliang , HUANG Anqiang , HUA Guowei , WANG Shouyang , LI Jiangning. Optimal allocation policies for emergency medicine reserve methods against major public health events. Systems Engineering - Theory & Practice, 2022, 42(1): 110-122 https://doi.org/10.12011/SETP2021-0620

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Funding

The Fundamental Research Funds for the Central Universities (2020YJS048)
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