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Firm Characteristics and Empirical Factor Models: A Model Mining Experiment
[Beta matrix and common factors in stock returns]

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  • Mary Tian

Abstract

In a novel model mining experiment, we data mine hundreds of randomly constructed three-factor models and find that many outperform well-known models from the literature, including those with four and five factors. The results provide compelling evidence that the threshold of factor model success needs to be raised. Confidence intervals for model rankings, derived from a bootstrap simulation, offer new insights into the consistency of a model’s pricing ability. Rankings for some well-known models are unusually volatile, which have wider confidence intervals than that of most of the random factor models.

Suggested Citation

  • Mary Tian, 2021. "Firm Characteristics and Empirical Factor Models: A Model Mining Experiment [Beta matrix and common factors in stock returns]," The Review of Financial Studies, Society for Financial Studies, vol. 34(12), pages 6087-6125.
    • Handle: RePEc:oup:rfinst:v:34:y:2021:i:12:p:6087-6125.
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    File URL: http://hdl.handle.net/10.1093/rfs/hhaa126
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    Citations

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    Cited by:

    1. Pätäri, Eero & Ahmed, Sheraz & Luukka, Pasi & Yeomans, Julian Scott, 2023. "Can monthly-return rank order reveal a hidden dimension of momentum? The post-cost evidence from the U.S. stock markets," The North American Journal of Economics and Finance, Elsevier, vol. 65(C).
    2. Huber, Daniel & Jacobs, Heiko & Müller, Sebastian & Preissler, Fabian, 2023. "International factor models," Journal of Banking & Finance, Elsevier, vol. 150(C).

    More about this item

    JEL classification:

    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • C15 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Statistical Simulation Methods: General
    • C18 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Methodolical Issues: General

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