Style index providers use different factors to classify stocks. Russell and S&P for example use Price/Book, while Surz Style Pure indexes use 3 factors - Price/Earnings, dividend yield, and normalized Price/Book. These factors are sometimes in disagreement, with P/B classifying a stock as value...

This paper presents an alternative interpretation of the experimental data published by Kahneman and Tversky in their 1992 paper describing Cumulative Prospect Theory. It was assumed that mental transformations such as mental adaptation, prospect scaling, and logarithmic perception should be...