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Stock prices are well known to exhibit behaviors that are difficult to model mathematically. Individual stocks are observed to exhibit short term price reversals and long term momentum, while their industries only exhibit momentum. Here we show that individual stocks can be modeled by simple...
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Trotz jahrzehntelanger Forschung zur Gültigkeit der Hypothese informationseffizienter Kapitalmärkte (EMH) sind wesentliche damit verbundene Fragestellungen noch immer ungeklärt. Eine ist diejenige nach der Existenz und der Erklärung von zeitvariablen Überrenditen ("Time Varying Excess...
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