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stat.AP2025
Analysing Models for Volatility Clustering with Subordinated Processes: VGSA and Beyond
Sourojyoti Barick, Sudip Ratan Chandra
This paper explores a comprehensive class of time-changed stochastic processes constructed by subordinating Brownian motion with Levy processes, where the subordination is further…
stat.AP2025
An Accurate Discretized Approach to Parameter Estimation in the CKLS Model via the CIR Framework
Sourojyoti Barick
This paper provides insight into the estimation and asymptotic behavior of parameters in interest rate models, focusing primarily on the Cox-Ingersoll-Ross (CIR) process and its ex…