RT Journal Article
SR Electronic
T1 On estimating betas that change
JF The Journal of Portfolio Management
FD Institutional Investor Journals
SP 62
OP 65
DO 10.3905/jpm.1982.408894
VO 9
IS 1
A1 Michael Theobald
YR 1982
UL https://pm-research.com/content/9/1/62.abstract
AB