Abstract
The supply of emergency materials is the fundament of emergency rescues. In view of the demand for emergency materials in major calamities, in this paper, a system dynamics model of emergency materials is constructed from the perspectives of wartime and peacetime. By setting and controlling the relevant parameters and variables, the influence of a variable on the demand and supply of emergency materials and the influence of government strategies on the quantity and provision of emergency material supply are analyzed. We explore the measures that can better ensure the supply to stabilize the social and economic security of the country. The results show that the emergency degree of an event will lead to increases in the amount of government expenditures and in the duration of such expenditures. Meanwhile, the increase in emergency cases will increase the variation range of the supply and demand deviation curve, lengthen the response time to demand, and fasten the growth trend of material supply. The Chinese government adopts comprehensive regulation and control mode, which make the supply and demand reach the equilibrium state more than twice as fast as other control methods. In addition, the promotion of publicity will improve the number of civil materials. A high inflation rate will lead to high imports of government materials, which will consequently affect the supply of emergency materials. The above research findings have important reference significance for the government's emergency materials management.
Highlights
The combination of combined perspective of peacetime and wartime, there is a certain amount of material demands in peacetime, and there is a larger amount of material demands in peacetime and wartime implies that the government wartime when major events occur, such as masks, should take the coordinated development of national ventilators, protective clothing, fire extinguishers, defense construction and economic construction as the cotton-padded clothes, and quilts
Considering the demand of emergency materials during major events, this study uses the theory of system dynamics to build a regulation model of emergency
The model is based on five submodules: government reserve, enterprise reserve, enterprise production, government import, and government collection
Summary
The combination of combined perspective of peacetime and wartime, there is a certain amount of material demands in peacetime, and there is a larger amount of material demands in peacetime and wartime implies that the government wartime when major events occur, such as masks, should take the coordinated development of national ventilators, protective clothing, fire extinguishers, defense construction and economic construction as the cotton-padded clothes, and quilts. We should consider wartime and peacetime needs so that we can quickly integrate all kinds of mobilized resources in major events to ensure national and public security. Yuqing Qi et al.: Emergency Supply Control from the Perspectives of Peacetime and Wartime: A System. This problem made politicians and scholars more concerned about the planning and regulation of emergency materials. The problems caused by COVID-19 indicate the urgency of establishing a set of emergency control systems for peacetime and wartime integration. At this stage, it is of far-reaching significance to study a series of issues, such as the regulation of emergency supplies from the combined perspective of peacetime and wartime
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