Ignatieva, Katja; Platen, Eckhard - In: Computational Statistics & Data Analysis 56 (2012) 6, pp. 1333-1349
This paper deals with the estimation of continuous-time diffusion processes which model the dynamics of a well diversified world stock index (WSI). We use the nonparametric kernel-based estimation to empirically identify a square root type diffusion coefficient function in the dynamics of the...