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Eficacia de las prohibiciones de las ventas en corto en España

Authors: Gómez-Martínez, Raúl;

Eficacia de las prohibiciones de las ventas en corto en España

Abstract

Este trabajo estudia la influencia que han tenido en España las prohibiciones de ventas en corto en su mercado bursátil, siendo su objetivo conocer si dicha medida correctiva verdaderamente ha presentado efectos positivos en el mercado. Para determinar dicha influencia, hemos estudiado la rentabilidad, el riesgo y la liquidez del Ibex 35 en el periodo comprendido entre el 11 de noviembre de 2008 y el 31 de mayo de 2013, diferenciando en este periodo las dos restricciones establecidas en España durante la crisis. Para medir el impacto de estas prohibiciones, se han diseñado modelos econométricos de regresión lineal entre el volumen de préstamo de valores y rentabilidad del Ibex 35, llegándose a la conclusión de que las prohibiciones de las ventas en corto implantadas no han corregido las ca das en las cotizaciones y la volatilidad. Se observa, sin embargo, un signi ficativo descenso en el volumen de negociación durante los periodos en los que la prohibición estaba vigente.

Keywords

volatilidad, ventas en corto, Ibex 35, volumen de negociación, rentabilidad, mercados financieros

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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!
0
Average
Average
Average
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