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Convexidad En La Relación Precio-Resultado Y Precio-Fondos Propios. Fundamentos Teóricos Y Evidencia Empírica En El Caso Español

Author

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  • Pablo Vázquez

    (Universidad de Alicante)

Abstract

Based on two theoretical works, Burgstahler y Dichev (1997) and Zhang (2000), this paper tests an option-style valuation approach whose main prediction is that market value is a convex function of both earnings and book value, where the function depends on the relative values of earnings and book value (ROE). Consistent with the theoretical predictions I find that: (i) given a book value, the market value is an increasing function of earnings; (ii) given a value of earnings, the market value increases with the book value for low-efficiency firms, it is insensitive to the book value for steady-state firms, and decreases with the book value for growth firms; (iii) given a book value (earnings), the market value is a convex function of earnings (book value); (iv) for low-efficiency firms, book value is more powerful in explaining market value than earnings; (v) for steady-state firms, earnings are a significant explanatory variable, and book value adds little incremental explanatory power; and (vi) for growth firms, earnings and book value together explain market value, but earnings are more relevant. Basado en los modelos de valoración tipo opción desarrollados por Burgstahler y Dichev (1997) y Zhang (2000), el presente trabajo tiene por objeto la validación empírica para el caso español de las predicciones que se derivan de ambos modelos en torno a la relación entre el valor de mercado de una empresa y el beneficio y los fondos propios de la misma. En consonancia con las predicciones teóricas, encuentro que (i) dado un nivel de fondos propios, el valor de mercado es una función creciente del beneficio (excepto cuando éste es de signo negativo); (ii) dado un nivel de beneficio, el valor de mercado crece conforme aumentan los fondos propios en empresas de baja eficiencia, es insensible a los fondos propios en empresas en estado estacionario y decrece conforme aumentan los fondos propios en empresas con crecimiento potencial; (iii) dado un nivel de fondos propios (beneficio), el valor de mercado es una función convexa del beneficio (fondos propios); (iv) en empresas de baja eficiencia, el poder explicativo de los fondos propios es superior al del beneficio; (v) en empresas en estado estacionario, el beneficio es la variable dominante; y (vi) en empresas con crecimiento potencial, aún siendo ambas variables relevantes, la relevancia del beneficio es superior.

Suggested Citation

  • Pablo Vázquez, 2005. "Convexidad En La Relación Precio-Resultado Y Precio-Fondos Propios. Fundamentos Teóricos Y Evidencia Empírica En El Caso Español," Working Papers. Serie EC 2005-01, Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie).
  • Handle: RePEc:ivi:wpasec:2005-01
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