{"title":"文盲和高累积量","authors":"Sergei Glebkin, S. Malamud, Alberto M. Teguia","doi":"10.1093/rfs/hhac069","DOIUrl":null,"url":null,"abstract":"\n We characterize the unique equilibrium in an economy populated by strategic CARA investors who trade multiple risky assets with arbitrarily distributed payoffs. We use our explicit solution to study the joint behavior of illiquidity of option contracts. Option bid-ask spreads are proportional to risk aversion and risk-neutral variances of option payoffs. Spreads may decrease in risk aversion, physical variance, open interest, and increase after earnings announcements in a result contrary to conventional wisdom. All these predictions are confirmed empirically using a large panel data set of U.S. stock options.","PeriodicalId":21124,"journal":{"name":"Review of Financial Studies","volume":"1 1","pages":""},"PeriodicalIF":6.8000,"publicationDate":"2022-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Illiquidity and Higher Cumulants\",\"authors\":\"Sergei Glebkin, S. Malamud, Alberto M. Teguia\",\"doi\":\"10.1093/rfs/hhac069\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"\\n We characterize the unique equilibrium in an economy populated by strategic CARA investors who trade multiple risky assets with arbitrarily distributed payoffs. We use our explicit solution to study the joint behavior of illiquidity of option contracts. Option bid-ask spreads are proportional to risk aversion and risk-neutral variances of option payoffs. Spreads may decrease in risk aversion, physical variance, open interest, and increase after earnings announcements in a result contrary to conventional wisdom. All these predictions are confirmed empirically using a large panel data set of U.S. stock options.\",\"PeriodicalId\":21124,\"journal\":{\"name\":\"Review of Financial Studies\",\"volume\":\"1 1\",\"pages\":\"\"},\"PeriodicalIF\":6.8000,\"publicationDate\":\"2022-09-14\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Review of Financial Studies\",\"FirstCategoryId\":\"96\",\"ListUrlMain\":\"https://doi.org/10.1093/rfs/hhac069\",\"RegionNum\":1,\"RegionCategory\":\"经济学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"BUSINESS, FINANCE\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Review of Financial Studies","FirstCategoryId":"96","ListUrlMain":"https://doi.org/10.1093/rfs/hhac069","RegionNum":1,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"BUSINESS, FINANCE","Score":null,"Total":0}
We characterize the unique equilibrium in an economy populated by strategic CARA investors who trade multiple risky assets with arbitrarily distributed payoffs. We use our explicit solution to study the joint behavior of illiquidity of option contracts. Option bid-ask spreads are proportional to risk aversion and risk-neutral variances of option payoffs. Spreads may decrease in risk aversion, physical variance, open interest, and increase after earnings announcements in a result contrary to conventional wisdom. All these predictions are confirmed empirically using a large panel data set of U.S. stock options.
期刊介绍：
The Review of Financial Studies is a prominent platform that aims to foster and widely distribute noteworthy research in financial economics. With an expansive editorial board, the Review strives to maintain a balance between theoretical and empirical contributions. The primary focus of paper selection is based on the quality and significance of the research to the field of finance, rather than its level of technical complexity. The scope of finance within the Review encompasses its intersection with economics. Sponsoring The Society for Financial Studies, the Review and the Society appoint editors and officers through limited terms.
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