{"title":"Welfare effects of health insurance reform: The role of elastic medical demand","authors":"Reona Hagiwara","doi":"10.1016/j.econmod.2024.106908","DOIUrl":null,"url":null,"abstract":"<div><div>Some medical demand is inelastic to price fluctuations, but not all. This paper examines the role of the price elasticity of medical demand on the welfare effects of public health insurance reform. I develop a computational general equilibrium life-cycle model for heterogeneous agents with varying income, wealth, and health that allows for endogenous medical spending. I calibrate the model for the Japanese economy. If medical spending is totally price-inelastic, increasing copayments will improve the welfare of future generations, but harm all current generations, particularly older people with low income or poor health. In contrast, the welfare gain for newborns is significantly greater in the empirically observed situation where medical spending includes some price-elastic components. Moreover, the reform reduces welfare losses for current individuals and may benefit younger generations.</div></div>","PeriodicalId":48419,"journal":{"name":"Economic Modelling","volume":"141 ","pages":"Article 106908"},"PeriodicalIF":4.2000,"publicationDate":"2024-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Economic Modelling","FirstCategoryId":"96","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0264999324002657","RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ECONOMICS","Score":null,"Total":0}
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Abstract
Some medical demand is inelastic to price fluctuations, but not all. This paper examines the role of the price elasticity of medical demand on the welfare effects of public health insurance reform. I develop a computational general equilibrium life-cycle model for heterogeneous agents with varying income, wealth, and health that allows for endogenous medical spending. I calibrate the model for the Japanese economy. If medical spending is totally price-inelastic, increasing copayments will improve the welfare of future generations, but harm all current generations, particularly older people with low income or poor health. In contrast, the welfare gain for newborns is significantly greater in the empirically observed situation where medical spending includes some price-elastic components. Moreover, the reform reduces welfare losses for current individuals and may benefit younger generations.
期刊介绍：
Economic Modelling fills a major gap in the economics literature, providing a single source of both theoretical and applied papers on economic modelling. The journal prime objective is to provide an international review of the state-of-the-art in economic modelling. Economic Modelling publishes the complete versions of many large-scale models of industrially advanced economies which have been developed for policy analysis. Examples are the Bank of England Model and the US Federal Reserve Board Model which had hitherto been unpublished. As individual models are revised and updated, the journal publishes subsequent papers dealing with these revisions, so keeping its readers as up to date as possible.
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