Gazda, Vladimír; Koøený, Karel; Výrost, Tomáš - In: Czech Journal of Economics and Finance (Finance a uver) 54 (2004) 7-8, pp. 325-334
In this paper, we investigate the adequacy of scaling, a method frequently used in estimation of standard deviation of stock returns. Scaling is based on the assumption that standard deviation is proportional to the square root of the length of the time interval of the sample (for example daily,...
