{"title":"Issue Information: International Journal of Economic Theory 3/2026","authors":"","doi":"10.1111/ijet.70027","DOIUrl":"https://doi.org/10.1111/ijet.70027","url":null,"abstract":"","PeriodicalId":44551,"journal":{"name":"International Journal of Economic Theory","volume":"22 3","pages":""},"PeriodicalIF":0.8,"publicationDate":"2026-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/ijet.70027","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148784383","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Does union bargaining power always raise union wages?","authors":"Hiroyuki Nishiyama, Mina Nakano, Mizuki Tsuboi","doi":"10.1111/ijet.70023","DOIUrl":"https://doi.org/10.1111/ijet.70023","url":null,"abstract":"<p>Despite falling unionization rates, the union wage premium remains a robust empirical regularity. To shed light on this contrasting wage impact of unions, we develop a union wage model with firm heterogeneity and a social insurance system. In the absence of a fiscal sector, greater bargaining power raises union wages and lowers nonunion wages. In contrast, when unemployment benefits adjust endogenously to balance the government budget, greater bargaining power instead lowers union wages and raises nonunion wages. Our results suggest that understanding the wage impact of unions depends critically on the interaction between firm heterogeneity and the social insurance system.</p>","PeriodicalId":44551,"journal":{"name":"International Journal of Economic Theory","volume":"22 3","pages":"337-350"},"PeriodicalIF":0.8,"publicationDate":"2026-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148785241","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Can collaborative regulation inhibit the sustainable development of social platforms?","authors":"Hongjun Lv","doi":"10.1111/ijet.70021","DOIUrl":"https://doi.org/10.1111/ijet.70021","url":null,"abstract":"<p>Social platforms have triggered global systemic crises in data security and tax governance, with acute contradictions between operational models and regulatory frameworks—urging exploration of sustainable paths via collaborative regulation. This paper constructs a differentiated duopoly model to comparatively analyze, from the perspective of regulatory mechanisms, the impacts of different regulatory approaches on digital services and regulatory strategies of social platforms within a platform ecosystem composed of the government, social platforms, and users. The results show that the equilibrium strategies of both social platforms and the government are contingent upon the marginal value of user personal data obtained. Counterintuitively, government regulation may exhibit heterogeneous impacts on two homogeneous social platforms. Moreover, compared with government regulation, collaborative regulation does not necessarily lead to a win-win situation. These findings provide important theoretical foundations and policy prescriptions for data market regulation and sustainable development in the platform economy.</p>","PeriodicalId":44551,"journal":{"name":"International Journal of Economic Theory","volume":"22 3","pages":"278-317"},"PeriodicalIF":0.8,"publicationDate":"2026-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148783674","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Optimal long-run monetary policy in a monopolistic competition model with industry clusters","authors":"Cheng-wei Chang","doi":"10.1111/ijet.70022","DOIUrl":"https://doi.org/10.1111/ijet.70022","url":null,"abstract":"<p>From the viewpoint of industrial organization, industry clusters are recognized as being crucial to economic development. However, the analysis of monetary policy as portrayed in the existing literature does not seem to consider this feature. This study seeks to make up for this deficiency from the perspective of industrial organization. By considering the feature of industry clusters in a monopolistic competition model, this paper finds that the optimal money growth rate is positively related to the extent of firm cluster congestion, while it is negatively related to the extent of the preference for diversity and the degree of monopoly power.</p>","PeriodicalId":44551,"journal":{"name":"International Journal of Economic Theory","volume":"22 3","pages":"318-336"},"PeriodicalIF":0.8,"publicationDate":"2026-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148783960","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Oil price shock, transport service, and wage inequality in an oil-importing country","authors":"Amlan Dutta, Rajat Acharyya","doi":"10.1111/ijet.70020","DOIUrl":"https://doi.org/10.1111/ijet.70020","url":null,"abstract":"<p>We construct a four-sector general equilibrium model, with a transport sector facilitating commodity trade, to examine the impacts of an oil price shock on skilled–unskilled wage inequality in an oil-importing country. An oil price shock increases transport costs, and this in turn triggers resource reallocation through changes in the relative price of exported and imported goods. Even though both the skilled and the unskilled wage move in the same direction, their relative change depends on the pattern of commodity trade and production structures. This inter-sectoral resource allocation channel, as well as the role of commodity trade patterns, remain unexplored in the existing literature.</p>","PeriodicalId":44551,"journal":{"name":"International Journal of Economic Theory","volume":"22 3","pages":"259-277"},"PeriodicalIF":0.8,"publicationDate":"2026-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148784609","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}