Why do equally weighted portfolios beat value-weighted ones?

Swade, Alexander and Nolte, Sandra and Shackleton, Mark and Lohre, Harald (2022) Why do equally weighted portfolios beat value-weighted ones? Working Paper. Portfolio Management Research. (In Press)

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Abstract

The difference in performance between an equal-weighted (EW) portfolio or index and its value-weighted (VW) counterpart has been significant in the past but without a clear outperformance of one above the other. We analyze the relation between EW and VW portfolios in a Single Index model and link the differences in performance to the time-varying betas of the constituents as well as the boundaries of market concentration. We propose the difference in performance of EW minus VW portfolios as a highly informative and simultaneously very deterministic factor to proxy the development of the average constituent’s beta and hence size effects. The proposed factor has similar characteristics as the SMB factor proposed by Fama and French (1993) but incorporates full market information.

Item Type:
Monograph (Working Paper)
Uncontrolled Keywords:
Research Output Funding/yes_externally_funded
Subjects:
?? yes - externally funded ??
ID Code:
186366
Deposited By:
Deposited On:
13 Feb 2023 13:50
Refereed?:
No
Published?:
In Press
Last Modified:
15 Jul 2024 08:00