Jan, Yin-Ching - In: International Journal of Financial Research 5 (2014) 3, pp. 194-198
This note remedies a risk measure, which was proposed by the work of Jan and Wang (2012). They used property of martingale to measure idiosyncratic risk, and illustrated that it is better than the measurements of variance and semivariance. However, their risk measure can¡¯t distinguish between...