{"title":"从滞后股票收益率与当前交易量的关系看投资者过度自信对交易量的影响","authors":"Jiayu Huang, Yifan Wang, Yaojun Fan, Hexuan Li","doi":"10.1111/infi.12405","DOIUrl":null,"url":null,"abstract":"<p>Is investor overconfidence a major source of stock-market trading volume? This study refers to the work of Grossman and Odean, introduces the assumption of investor overconfidence and empirically examines the influence of investor overconfidence on market trading volume in China's A-share market through a vector autoregressive model estimation and Granger causality test. We find that overconfidence and self-attribution exist in China's A-share market. When the market is on an upswing, investors attribute large returns to the accuracy of their private information and the quality of their investment abilities; thus they trade more frequently, causing trading volume to increase more quickly. Conversely, when the market is on a downswing, investors attribute their investment losses to uncontrollable external factors; thus they become unwilling to trade, causing trading volume to shrink rapidly.</p>","PeriodicalId":1,"journal":{"name":"Accounts of Chemical Research","volume":null,"pages":null},"PeriodicalIF":16.4000,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":"{\"title\":\"Gauging the effect of investor overconfidence on trading volume from the perspective of the relationship between lagged stock returns and current trading volume\",\"authors\":\"Jiayu Huang, Yifan Wang, Yaojun Fan, Hexuan Li\",\"doi\":\"10.1111/infi.12405\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>Is investor overconfidence a major source of stock-market trading volume? This study refers to the work of Grossman and Odean, introduces the assumption of investor overconfidence and empirically examines the influence of investor overconfidence on market trading volume in China's A-share market through a vector autoregressive model estimation and Granger causality test. We find that overconfidence and self-attribution exist in China's A-share market. When the market is on an upswing, investors attribute large returns to the accuracy of their private information and the quality of their investment abilities; thus they trade more frequently, causing trading volume to increase more quickly. Conversely, when the market is on a downswing, investors attribute their investment losses to uncontrollable external factors; thus they become unwilling to trade, causing trading volume to shrink rapidly.</p>\",\"PeriodicalId\":1,\"journal\":{\"name\":\"Accounts of Chemical Research\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":16.4000,\"publicationDate\":\"2022-03-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"4\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Accounts of Chemical Research\",\"FirstCategoryId\":\"96\",\"ListUrlMain\":\"https://onlinelibrary.wiley.com/doi/10.1111/infi.12405\",\"RegionNum\":1,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"CHEMISTRY, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Accounts of Chemical Research","FirstCategoryId":"96","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1111/infi.12405","RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
Gauging the effect of investor overconfidence on trading volume from the perspective of the relationship between lagged stock returns and current trading volume
Is investor overconfidence a major source of stock-market trading volume? This study refers to the work of Grossman and Odean, introduces the assumption of investor overconfidence and empirically examines the influence of investor overconfidence on market trading volume in China's A-share market through a vector autoregressive model estimation and Granger causality test. We find that overconfidence and self-attribution exist in China's A-share market. When the market is on an upswing, investors attribute large returns to the accuracy of their private information and the quality of their investment abilities; thus they trade more frequently, causing trading volume to increase more quickly. Conversely, when the market is on a downswing, investors attribute their investment losses to uncontrollable external factors; thus they become unwilling to trade, causing trading volume to shrink rapidly.
期刊介绍：
Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance.
Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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