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The role of shifts in the effective tax rate on the cost of equity

Author

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  • Rojo-Suárez, Javier
  • Alonso-Conde, Ana B.

Abstract

We propose an asset pricing model conditional on the effective tax rate, which allows us to explicitly estimate the impact of shifts in corporate taxes on the expected returns of equities. We evaluate the model using Spanish macro and market data to estimate the time-varying average corporate tax rate and average returns of different anomaly portfolios. Our results show that changes in corporate taxation are strongly explanatory of future stock returns and, consequently, the cost of capital of firms. Furthermore, uncertainty about the future tax burden generally translates into higher expected returns, which results in a lower value of firms.

Suggested Citation

  • Rojo-Suárez, Javier & Alonso-Conde, Ana B., 2024. "The role of shifts in the effective tax rate on the cost of equity," Research in Economics, Elsevier, vol. 78(1), pages 61-72.
    • Handle: RePEc:eee:reecon:v:78:y:2024:i:1:p:61-72
    DOI: 10.1016/j.rie.2024.01.005
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    More about this item

    Keywords

    Effective tax rate; Conditioning information; CAPM; Tax regulation; Regulatory risk;
    All these keywords.

    JEL classification:

    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets
    • G32 - Financial Economics - - Corporate Finance and Governance - - - Financing Policy; Financial Risk and Risk Management; Capital and Ownership Structure; Value of Firms; Goodwill
    • H25 - Public Economics - - Taxation, Subsidies, and Revenue - - - Business Taxes and Subsidies
    • H32 - Public Economics - - Fiscal Policies and Behavior of Economic Agents - - - Firm

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