{"title":"CAPM 和一种新的投资决策方法","authors":"Roi D. Taussig","doi":"10.1002/jcaf.22672","DOIUrl":null,"url":null,"abstract":"<p>The traditional CAPM explains the return on each security, while the current study suggests a new methodology for “picking” a broad index, based on regression trees. Analysts’ recommendations on market prices are analyzed, and a one to three-stage method is employed. The analysis suggests a few rules of thumb (only one to three stages) for buying or selling the CRSP US market index. The findings are robust, and the rules are reliable. Researchers and practitioners may benefit greatly from the new rules.</p>","PeriodicalId":44561,"journal":{"name":"Journal of Corporate Accounting and Finance","volume":null,"pages":null},"PeriodicalIF":0.9000,"publicationDate":"2023-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"CAPM and a new investment decision method\",\"authors\":\"Roi D. Taussig\",\"doi\":\"10.1002/jcaf.22672\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>The traditional CAPM explains the return on each security, while the current study suggests a new methodology for “picking” a broad index, based on regression trees. Analysts’ recommendations on market prices are analyzed, and a one to three-stage method is employed. The analysis suggests a few rules of thumb (only one to three stages) for buying or selling the CRSP US market index. The findings are robust, and the rules are reliable. Researchers and practitioners may benefit greatly from the new rules.</p>\",\"PeriodicalId\":44561,\"journal\":{\"name\":\"Journal of Corporate Accounting and Finance\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.9000,\"publicationDate\":\"2023-11-08\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Corporate Accounting and Finance\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://onlinelibrary.wiley.com/doi/10.1002/jcaf.22672\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"BUSINESS, FINANCE\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Corporate Accounting and Finance","FirstCategoryId":"1085","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1002/jcaf.22672","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"BUSINESS, FINANCE","Score":null,"Total":0}
The traditional CAPM explains the return on each security, while the current study suggests a new methodology for “picking” a broad index, based on regression trees. Analysts’ recommendations on market prices are analyzed, and a one to three-stage method is employed. The analysis suggests a few rules of thumb (only one to three stages) for buying or selling the CRSP US market index. The findings are robust, and the rules are reliable. Researchers and practitioners may benefit greatly from the new rules.
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