{"title":"进入、市场结构和福利","authors":"","doi":"10.1007/s00712-024-00859-w","DOIUrl":null,"url":null,"abstract":"<h3>Abstract</h3> <p>Conventionally, entry is thought to enhance welfare by enhancing competition and hence lowering prices and increasing the output. Contrary to the conventional wisdom, working with an <span> <span>\\(n\\)</span> </span>-firm Cournot oligopoly set up and using the trigger strategies, we show that entry may or may not impact welfare. However, entry has the potential to alter the market structure from collusion to Cournot competition, and when it does so, there is a discontinuous rise in welfare.</p>","PeriodicalId":47523,"journal":{"name":"Journal of Economics","volume":"148 1","pages":""},"PeriodicalIF":1.6000,"publicationDate":"2024-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Entry, market structures and welfare\",\"authors\":\"\",\"doi\":\"10.1007/s00712-024-00859-w\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<h3>Abstract</h3> <p>Conventionally, entry is thought to enhance welfare by enhancing competition and hence lowering prices and increasing the output. Contrary to the conventional wisdom, working with an <span> <span>\\\\(n\\\\)</span> </span>-firm Cournot oligopoly set up and using the trigger strategies, we show that entry may or may not impact welfare. However, entry has the potential to alter the market structure from collusion to Cournot competition, and when it does so, there is a discontinuous rise in welfare.</p>\",\"PeriodicalId\":47523,\"journal\":{\"name\":\"Journal of Economics\",\"volume\":\"148 1\",\"pages\":\"\"},\"PeriodicalIF\":1.6000,\"publicationDate\":\"2024-02-19\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Economics\",\"FirstCategoryId\":\"96\",\"ListUrlMain\":\"https://doi.org/10.1007/s00712-024-00859-w\",\"RegionNum\":4,\"RegionCategory\":\"经济学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"ECONOMICS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Economics","FirstCategoryId":"96","ListUrlMain":"https://doi.org/10.1007/s00712-024-00859-w","RegionNum":4,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ECONOMICS","Score":null,"Total":0}
Conventionally, entry is thought to enhance welfare by enhancing competition and hence lowering prices and increasing the output. Contrary to the conventional wisdom, working with an \(n\)-firm Cournot oligopoly set up and using the trigger strategies, we show that entry may or may not impact welfare. However, entry has the potential to alter the market structure from collusion to Cournot competition, and when it does so, there is a discontinuous rise in welfare.
期刊介绍：
Specializing in mathematical economic theory, Journal of Economics focuses on microeconomic theory while also publishing papers on macroeconomic topics as well as econometric case studies of general interest. Regular supplementary volumes are devoted to topics of central importance to both modern theoretical research and present economic reality. Fields of interest: applied economic theory and ist empirical testing.Officially cited as: J Econ
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