{"title":"Product differentiation, demand expansion and the welfare effects of cross-ownership","authors":"Swapnendu Banerjee, Arijit Mukherjee, Sougata Poddar","doi":"10.1111/caje.12759","DOIUrl":null,"url":null,"abstract":"<p>We show the effects of cross-ownership on product differentiation, consumer surplus and welfare under Cournot and Bertrand competition. Under Cournot competition, cross-ownership increases (decreases) product differentiation if demand expansion following product differentiation is large (small). Under Bertrand competition, cross-ownership may increase or decrease product differentiation regardless of the demand expansion effect of product differentiation. Cross-ownership may increase consumer surplus and welfare under both Cournot and Bertrand competition. Demand expansion following product differentiation and the type of product market competition play important roles for the effects of cross-ownership in an industry with endogenous product differentiation. We also show that Cournot competition may create higher consumer surplus and welfare compared with Bertrand competition.</p>","PeriodicalId":47941,"journal":{"name":"Canadian Journal of Economics-Revue Canadienne D Economique","volume":"58 1","pages":"193-226"},"PeriodicalIF":1.3000,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/caje.12759","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Canadian Journal of Economics-Revue Canadienne D Economique","FirstCategoryId":"96","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1111/caje.12759","RegionNum":4,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ECONOMICS","Score":null,"Total":0}
引用次数: 0
Abstract
We show the effects of cross-ownership on product differentiation, consumer surplus and welfare under Cournot and Bertrand competition. Under Cournot competition, cross-ownership increases (decreases) product differentiation if demand expansion following product differentiation is large (small). Under Bertrand competition, cross-ownership may increase or decrease product differentiation regardless of the demand expansion effect of product differentiation. Cross-ownership may increase consumer surplus and welfare under both Cournot and Bertrand competition. Demand expansion following product differentiation and the type of product market competition play important roles for the effects of cross-ownership in an industry with endogenous product differentiation. We also show that Cournot competition may create higher consumer surplus and welfare compared with Bertrand competition.
期刊介绍：
The Canadian Journal of Economics (CJE) is the journal of the Canadian Economics Association (CEA) and is the primary academic economics journal based in Canada. The editors seek to maintain and enhance the position of the CJE as a major, internationally recognized journal and are very receptive to high-quality papers on any economics topic from any source. In addition, the editors recognize the Journal"s role as an important outlet for high-quality empirical papers about the Canadian economy and about Canadian policy issues.
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