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A Health Economics Approach to Surplus Inventories of Anesthetic Agents Hiroshi YOSHIDA 1 1Center for Research on Aging Economy and Society, Graduate School of Economics, Tohoku University Keyword: demand uncertainty , unique risk , systematic risk , optimal inventory theory pp.93-99
Published Date 2026/2/10
DOI https://doi.org/10.18916/masui.2026020008
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 This paper examines the problems of both the shortages and excess inventories of anesthetic agents that occurred in Japan during the COVID-19 pandemic from economic and societal perspectives, and it presents strategies to minimize social losses related to these problems. I attempt a theoretical explanation for the structural factors that lead to an excess inventory of anesthetic agents, based on the perspective that individual medical institutions’risk assessments regarding anesthetic surpluses and shortages are asymmetric.

 For each medical institution, in a comparison of the disadvantages of()an anesthetic shortage and being unable to provide treatment with()the cost of medications due to holding an excess anesthetic inventory, the subjective risk assessment is that disadvantage()is greater than disadvantage(), and thus holding an excess inventory is a rational choice. However, from a societal perspective, if one medical institution independently chooses to maintain an excess inventory of anesthetic agents, there may be a risk of other medical institutions experiencing an anesthetic shortage. Moreover, from a societal perspective, disadvantages()and()do not offset each other, thus resulting in new net losses. To address these issues at the macro level, I describe how the establishment of anesthetic centers in each region of Japan could minimize the risks of both shortages and excesses in the supply of anesthetic agents that arise at individual medical institutions.


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電子版ISSN 印刷版ISSN 0021-4892 克誠堂出版

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