{"title":"预测修正与先前股价变化相关性较小的分析师是更好的信息生产者和监督者吗?","authors":"C. Hwang, Yuan Li, Y. H. Tong","doi":"10.2139/ssrn.1785102","DOIUrl":null,"url":null,"abstract":"We propose an ex ante measure of analysts’ production of private information (PPI) based on the correlations between analysts’ forecast revisions and prior stock price changes. We validate this measure by examining whether analysts with lower correlations (higher PPI) provide more information value to various stakeholders and monitor managerial behavior more effectively. We find that the stock price impacts of forecast revisions issued by analysts with higher PPI are larger than those issued by analysts with lower PPI. We also find that firms' investment sensitivity to stock prices is higher and that boards of directors rely more on analysts’ forecast errors in their CEO turnover decisions when firms are followed by analysts with higher PPI. In addition, we find that firms followed by analysts with higher PPI exhibit lower accrual discretion and are less likely to restate earnings. Overall, our findings suggest PPI captures analysts’ ability to produce private information and that analysts with higher PPI are better information producers and monitors.","PeriodicalId":146991,"journal":{"name":"AFA 2012 Chicago Meetings (Archive)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2011-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"6","resultStr":"{\"title\":\"Are Analysts Whose Forecast Revisions Correlate Less with Prior Stock Price Changes Better Information Producers and Monitors?\",\"authors\":\"C. Hwang, Yuan Li, Y. H. Tong\",\"doi\":\"10.2139/ssrn.1785102\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We propose an ex ante measure of analysts’ production of private information (PPI) based on the correlations between analysts’ forecast revisions and prior stock price changes. We validate this measure by examining whether analysts with lower correlations (higher PPI) provide more information value to various stakeholders and monitor managerial behavior more effectively. We find that the stock price impacts of forecast revisions issued by analysts with higher PPI are larger than those issued by analysts with lower PPI. We also find that firms' investment sensitivity to stock prices is higher and that boards of directors rely more on analysts’ forecast errors in their CEO turnover decisions when firms are followed by analysts with higher PPI. In addition, we find that firms followed by analysts with higher PPI exhibit lower accrual discretion and are less likely to restate earnings. Overall, our findings suggest PPI captures analysts’ ability to produce private information and that analysts with higher PPI are better information producers and monitors.\",\"PeriodicalId\":146991,\"journal\":{\"name\":\"AFA 2012 Chicago Meetings (Archive)\",\"volume\":\"4 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2011-03-13\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"6\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"AFA 2012 Chicago Meetings (Archive)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.2139/ssrn.1785102\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"AFA 2012 Chicago Meetings (Archive)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2139/ssrn.1785102","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Are Analysts Whose Forecast Revisions Correlate Less with Prior Stock Price Changes Better Information Producers and Monitors?
We propose an ex ante measure of analysts’ production of private information (PPI) based on the correlations between analysts’ forecast revisions and prior stock price changes. We validate this measure by examining whether analysts with lower correlations (higher PPI) provide more information value to various stakeholders and monitor managerial behavior more effectively. We find that the stock price impacts of forecast revisions issued by analysts with higher PPI are larger than those issued by analysts with lower PPI. We also find that firms' investment sensitivity to stock prices is higher and that boards of directors rely more on analysts’ forecast errors in their CEO turnover decisions when firms are followed by analysts with higher PPI. In addition, we find that firms followed by analysts with higher PPI exhibit lower accrual discretion and are less likely to restate earnings. Overall, our findings suggest PPI captures analysts’ ability to produce private information and that analysts with higher PPI are better information producers and monitors.