{"title":"提高标准:认证门槛和市场结果","authors":"Xiang Hui, M. Saeedi, G. Spagnolo, S. Tadelis","doi":"10.1257/mic.20210179","DOIUrl":null,"url":null,"abstract":"Certification of sellers by trusted third parties helps alleviate information asymmetries in markets, yet little is known about the impact of a certification’s threshold on market outcomes. Exploiting a policy change on eBay, we study how a more selective certification threshold affects the distribution of quality and incumbent behavior. We develop a stylized model that shows how changes in selectivity change the distribution of quality and prices in markets. Using rich data from hundreds of online categories on eBay.com , we find support for the model’s hypotheses. Our results help inform the design of certification selectivity in electronic and other markets. (JEL D82, L11, L15, L86)","PeriodicalId":47467,"journal":{"name":"American Economic Journal-Microeconomics","volume":" ","pages":""},"PeriodicalIF":2.2000,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":"{\"title\":\"Raising the Bar: Certification Thresholds and Market Outcomes\",\"authors\":\"Xiang Hui, M. Saeedi, G. Spagnolo, S. Tadelis\",\"doi\":\"10.1257/mic.20210179\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Certification of sellers by trusted third parties helps alleviate information asymmetries in markets, yet little is known about the impact of a certification’s threshold on market outcomes. Exploiting a policy change on eBay, we study how a more selective certification threshold affects the distribution of quality and incumbent behavior. We develop a stylized model that shows how changes in selectivity change the distribution of quality and prices in markets. Using rich data from hundreds of online categories on eBay.com , we find support for the model’s hypotheses. Our results help inform the design of certification selectivity in electronic and other markets. (JEL D82, L11, L15, L86)\",\"PeriodicalId\":47467,\"journal\":{\"name\":\"American Economic Journal-Microeconomics\",\"volume\":\" \",\"pages\":\"\"},\"PeriodicalIF\":2.2000,\"publicationDate\":\"2023-05-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"5\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"American Economic Journal-Microeconomics\",\"FirstCategoryId\":\"96\",\"ListUrlMain\":\"https://doi.org/10.1257/mic.20210179\",\"RegionNum\":2,\"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":"American Economic Journal-Microeconomics","FirstCategoryId":"96","ListUrlMain":"https://doi.org/10.1257/mic.20210179","RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ECONOMICS","Score":null,"Total":0}
Raising the Bar: Certification Thresholds and Market Outcomes
Certification of sellers by trusted third parties helps alleviate information asymmetries in markets, yet little is known about the impact of a certification’s threshold on market outcomes. Exploiting a policy change on eBay, we study how a more selective certification threshold affects the distribution of quality and incumbent behavior. We develop a stylized model that shows how changes in selectivity change the distribution of quality and prices in markets. Using rich data from hundreds of online categories on eBay.com , we find support for the model’s hypotheses. Our results help inform the design of certification selectivity in electronic and other markets. (JEL D82, L11, L15, L86)
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