Faraz, Behzad-Hussein Azadie; Arian, Hamid; Escobar, Marcos - In: International Journal of Financial Studies : open … 13 (2025) 2, pp. 1-31
The popular Wishart (WI) processes, first introduced by Bru in 1991, exhibit convenient analytical properties for … dynamic. Moreover, the variance processes implied by the Wishart, similar to CIR models, have no buffer away from zero. In … this paper, we introduced the Markov-Modulated Shifted Wishart processes (MMSW) and the embedded Shifted Wishart processes …