{"title":"层次与变化:文本信息的信息内容","authors":"Kotaro Miwa","doi":"10.1111/irfi.12359","DOIUrl":null,"url":null,"abstract":"<p>We clarify the information value of changes in the textual information of analyst reports. The analyses reveal that stock prices react considerably to changes in the linguistic tone of reports. In addition, prices react asymmetrically to the levels and changes of report tone, overreact to the levels, and underreact to changes. Our evidence suggests that a change in the textual tone provides incremental information that investors overlook, supporting the informational value of changes in textual information.</p>","PeriodicalId":46664,"journal":{"name":"International Review of Finance","volume":"22 4","pages":"751-758"},"PeriodicalIF":1.8000,"publicationDate":"2021-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/irfi.12359","citationCount":"0","resultStr":"{\"title\":\"Levels versus changes: Information contents of textual information\",\"authors\":\"Kotaro Miwa\",\"doi\":\"10.1111/irfi.12359\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>We clarify the information value of changes in the textual information of analyst reports. The analyses reveal that stock prices react considerably to changes in the linguistic tone of reports. In addition, prices react asymmetrically to the levels and changes of report tone, overreact to the levels, and underreact to changes. Our evidence suggests that a change in the textual tone provides incremental information that investors overlook, supporting the informational value of changes in textual information.</p>\",\"PeriodicalId\":46664,\"journal\":{\"name\":\"International Review of Finance\",\"volume\":\"22 4\",\"pages\":\"751-758\"},\"PeriodicalIF\":1.8000,\"publicationDate\":\"2021-07-07\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1111/irfi.12359\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"International Review of Finance\",\"FirstCategoryId\":\"96\",\"ListUrlMain\":\"https://onlinelibrary.wiley.com/doi/10.1111/irfi.12359\",\"RegionNum\":4,\"RegionCategory\":\"经济学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"BUSINESS, FINANCE\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Review of Finance","FirstCategoryId":"96","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1111/irfi.12359","RegionNum":4,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"BUSINESS, FINANCE","Score":null,"Total":0}
Levels versus changes: Information contents of textual information
We clarify the information value of changes in the textual information of analyst reports. The analyses reveal that stock prices react considerably to changes in the linguistic tone of reports. In addition, prices react asymmetrically to the levels and changes of report tone, overreact to the levels, and underreact to changes. Our evidence suggests that a change in the textual tone provides incremental information that investors overlook, supporting the informational value of changes in textual information.
期刊介绍：
The International Review of Finance (IRF) publishes high-quality research on all aspects of financial economics, including traditional areas such as asset pricing, corporate finance, market microstructure, financial intermediation and regulation, financial econometrics, financial engineering and risk management, as well as new areas such as markets and institutions of emerging market economies, especially those in the Asia-Pacific region. In addition, the Letters Section in IRF is a premium outlet of letter-length research in all fields of finance. The length of the articles in the Letters Section is limited to a maximum of eight journal pages.
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