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Cuadernos de Economía
Article . 2003
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La teoría de los mercados de capitales eficientes. Un examen crítico

Authors: Hyme, Pauline;

La teoría de los mercados de capitales eficientes. Un examen crítico

Abstract

En 1970, E. Fama publicó un artículo sobre la “teoría de los mercados de capitales eficientes†que tuvo -y aún tiene- un impacto muy fuerte en finanzas. El artículo muestra que la teoría presentada por Fama no tiene nada que ver con la eficiencia tal como la entienden los economistas. En realidad, lo único que hace Fama es darle un nuevo nombre a una teoría que tiene más de un siglo, según la cual la Bolsa es un “juego equitativoâ€, o una martingala, como lo mostró Samuelson, a condición de suponer la homogeneidad de las expectativas. El hecho de que Fama hable de eficiencia sólo se puede explicar por razones ideológicas, ya que se sitúa dentro la ofensiva antikeynesiana de los “nuevos clásicos†en los años setenta.

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Colombia
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Keywords

mercados eficientes, anticipations, metodología económica., speculation, Economic history and conditions, B41., Social Sciences, méthodologie économique, mercados eficientes, expectativas, especulación, metodología económica., HC10-1085, expectativas, especulación, H, D84, economic methodology, efficient markets, spéculation, metodología económica, expectations, Marchés efficients, jel: jel:G14

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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