RISK MEASUREMENT WHEN SHARES ARE SUBJECT TO INFREQUENT TRADING

被引:1197
作者
DIMSON, E
机构
[1] London Business School, London
关键词
D O I
10.1016/0304-405X(79)90013-8
中图分类号
F8 [财政、金融];
学科分类号
0202 ;
摘要
When shares are traded infrequently, beta estimates are often severely biased. This paper reviews the problems introduced by infrequent trading, and presents a method for measuring beta when share price data suffer from this problem. The method is used with monthly returns for a one-in-three random sample of all U.K. Stock Exchange shares from 1955 to 1974. Most of the bias in conventional beta estimates is eliminated when the proposed estimators are used in their place. © 1979.
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页码:197 / 226
页数:30
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