Title of article :
Is the US stock market becoming weakly efficient over time? Evidence from 80-year-long data
Author/Authors :
Alvarez-Ramirez، نويسنده , , Jose and Rodriguez، نويسنده , , Eduardo and Espinosa-Paredes، نويسنده , , Gilberto، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2012
Abstract :
We propose a degree of market efficiency in terms of entropy concepts. The relative efficiency for the US stock market varies over time from 1929 to 2012, with a slight decline in the past 10 years.
Keywords :
entropy , Market efficiency , Adaptive market hypothesis
Journal title :
Physica A Statistical Mechanics and its Applications
Journal title :
Physica A Statistical Mechanics and its Applications