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Capital Asset Pricing Model Adjusted for Anchoring

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  • Hammad, Siddiqi

Abstract

I show that adjusting CAPM for anchoring provides a unified explanation for the size, value, and momentum effects. Anchoring adjusted CAPM (ACAPM) predicts that stock splits are associated with positive abnormal returns and an increase in return volatility, whereas the reverse stock-splits are associated with negative abnormal returns and a fall in return volatility. Existing empirical evidence strongly supports these predictions. Anchoring has the effect of pushing up the equity premium, a finding which is relevant for the equity premium puzzle.

Suggested Citation

  • Hammad, Siddiqi, 2015. "Capital Asset Pricing Model Adjusted for Anchoring," MPRA Paper 67668, University Library of Munich, Germany.
    • Handle: RePEc:pra:mprapa:67668
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    File URL: https://mpra.ub.uni-muenchen.de/67668/1/MPRA_paper_67668.pdf
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    References listed on IDEAS

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    1. Siddiqi, Hammad, 2015. "Anchoring Heuristic and the Equity Premium Puzzle," MPRA Paper 68537, University Library of Munich, Germany.

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    More about this item

    Keywords

    Size Premium; Value Premium; Behavioral Finance; Stock Splits; Equity Premium Puzzle; Anchoring Heuristic; CAPM; Asset Pricing;
    All these keywords.

    JEL classification:

    • G00 - Financial Economics - - General - - - General
    • G02 - Financial Economics - - General - - - Behavioral Finance: Underlying Principles
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G30 - Financial Economics - - Corporate Finance and Governance - - - General

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