{"title":"COVID-19 大流行期间网上市场的转售规定","authors":"Yohsuke Hirose","doi":"10.1002/asmb.2847","DOIUrl":null,"url":null,"abstract":"In the early stages of the COVID-19 pandemic, masks and alcohol sanitizers were hoarded and resold in online markets. In Japan, restrictions were imposed on such resale. This paper examines changes in the behavior of economic agents and their surplus before and after the resale restrictions in the online market. We collected data on the auctions and fixed-price sales of anhydrous ethanol before and after the resale regulation. Using these estimated parameters, we evaluated the changes in the surpluses per transaction. We found that, on average, the regulation reduced the consumer surplus and the producer surplus by about JPY 160 and JPY 1500, respectively.","PeriodicalId":55495,"journal":{"name":"Applied Stochastic Models in Business and Industry","volume":null,"pages":null},"PeriodicalIF":1.3000,"publicationDate":"2024-01-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Resale regulations in online marketplaces during the COVID-19 pandemic\",\"authors\":\"Yohsuke Hirose\",\"doi\":\"10.1002/asmb.2847\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In the early stages of the COVID-19 pandemic, masks and alcohol sanitizers were hoarded and resold in online markets. In Japan, restrictions were imposed on such resale. This paper examines changes in the behavior of economic agents and their surplus before and after the resale restrictions in the online market. We collected data on the auctions and fixed-price sales of anhydrous ethanol before and after the resale regulation. Using these estimated parameters, we evaluated the changes in the surpluses per transaction. We found that, on average, the regulation reduced the consumer surplus and the producer surplus by about JPY 160 and JPY 1500, respectively.\",\"PeriodicalId\":55495,\"journal\":{\"name\":\"Applied Stochastic Models in Business and Industry\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":1.3000,\"publicationDate\":\"2024-01-29\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Applied Stochastic Models in Business and Industry\",\"FirstCategoryId\":\"100\",\"ListUrlMain\":\"https://doi.org/10.1002/asmb.2847\",\"RegionNum\":4,\"RegionCategory\":\"数学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"MATHEMATICS, INTERDISCIPLINARY APPLICATIONS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Applied Stochastic Models in Business and Industry","FirstCategoryId":"100","ListUrlMain":"https://doi.org/10.1002/asmb.2847","RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"MATHEMATICS, INTERDISCIPLINARY APPLICATIONS","Score":null,"Total":0}
Resale regulations in online marketplaces during the COVID-19 pandemic
In the early stages of the COVID-19 pandemic, masks and alcohol sanitizers were hoarded and resold in online markets. In Japan, restrictions were imposed on such resale. This paper examines changes in the behavior of economic agents and their surplus before and after the resale restrictions in the online market. We collected data on the auctions and fixed-price sales of anhydrous ethanol before and after the resale regulation. Using these estimated parameters, we evaluated the changes in the surpluses per transaction. We found that, on average, the regulation reduced the consumer surplus and the producer surplus by about JPY 160 and JPY 1500, respectively.
期刊介绍：
ASMBI - Applied Stochastic Models in Business and Industry (formerly Applied Stochastic Models and Data Analysis) was first published in 1985, publishing contributions in the interface between stochastic modelling, data analysis and their applications in business, finance, insurance, management and production. In 2007 ASMBI became the official journal of the International Society for Business and Industrial Statistics (www.isbis.org). The main objective is to publish papers, both technical and practical, presenting new results which solve real-life problems or have great potential in doing so. Mathematical rigour, innovative stochastic modelling and sound applications are the key ingredients of papers to be published, after a very selective review process.
The journal is very open to new ideas, like Data Science and Big Data stemming from problems in business and industry or uncertainty quantification in engineering, as well as more traditional ones, like reliability, quality control, design of experiments, managerial processes, supply chains and inventories, insurance, econometrics, financial modelling (provided the papers are related to real problems). The journal is interested also in papers addressing the effects of business and industrial decisions on the environment, healthcare, social life. State-of-the art computational methods are very welcome as well, when combined with sound applications and innovative models.
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