Have been informationally efficient stock markets?

In this paper we study the testing of the stock market efficiency in the last fifteen years, for that we review the papers of ScienceDirect database to characterize the results in percent. We find that 60 % of papers rejects stock market efficiency, 35 % presents evidence of efficiency, and the rema...

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Бібліографічні деталі
Автори: Duarte, Juan Benjamín Duarte, Pérez-Iñigo, Juan Manuel Mascareñas
Формат: Online
Мова:spa
Опубліковано: Universidad Pedagógica y Tecnológica de Colombia 2014
Предмети:
Онлайн доступ:https://revistas.uptc.edu.co/index.php/cenes/article/view/2906
Опис
Резюме:In this paper we study the testing of the stock market efficiency in the last fifteen years, for that we review the papers of ScienceDirect database to characterize the results in percent. We find that 60 % of papers rejects stock market efficiency, 35 % presents evidence of efficiency, and the remaining 5 % verifies a progressive improvement in efficiency due to economic reforms, faster information flow and the launch of new financial products