Subir K. Chakrabarti, Alexander Shapoval, Shlomo Weber
{"title":"Games of Social Interactions With Externalities","authors":"Subir K. Chakrabarti, Alexander Shapoval, Shlomo Weber","doi":"10.1111/jpet.70021","DOIUrl":null,"url":null,"abstract":"<div>\n \n <p>This paper studies a class of games in which players' payoffs explicitly depend on their intrinsic preferences over the set of available alternatives, level of social interaction and the global influence of the aggregate societal choices. Using the potential functions approach, we examine the conditions under which the games admit a Nash equilibrium in pure strategies with a special emphasis on the role of social interactions. The existence results are then applied to examine the welfare consequences of the introduction of common goods and the adoption of new technologies.</p>\n </div>","PeriodicalId":47024,"journal":{"name":"Journal of Public Economic Theory","volume":"27 2","pages":""},"PeriodicalIF":0.9000,"publicationDate":"2025-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Public Economic Theory","FirstCategoryId":"96","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1111/jpet.70021","RegionNum":4,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ECONOMICS","Score":null,"Total":0}
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Abstract
This paper studies a class of games in which players' payoffs explicitly depend on their intrinsic preferences over the set of available alternatives, level of social interaction and the global influence of the aggregate societal choices. Using the potential functions approach, we examine the conditions under which the games admit a Nash equilibrium in pure strategies with a special emphasis on the role of social interactions. The existence results are then applied to examine the welfare consequences of the introduction of common goods and the adoption of new technologies.
期刊介绍：
As the official journal of the Association of Public Economic Theory, Journal of Public Economic Theory (JPET) is dedicated to stimulating research in the rapidly growing field of public economics. Submissions are judged on the basis of their creativity and rigor, and the Journal imposes neither upper nor lower boundary on the complexity of the techniques employed. This journal focuses on such topics as public goods, local public goods, club economies, externalities, taxation, growth, public choice, social and public decision making, voting, market failure, regulation, project evaluation, equity, and political systems.
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