Abstract
In this paper, we investigate the reflected CIR process with two-sided jumps to capture the jump behavior and its non-negativeness. Applying the method of (complex) contour integrals, the closed-form solution to the joint Laplace transform of the first passage time crossing a lower level and the corresponding undershoot is derived. We further extend our arguments to the exit problem from a finite interval and obtain joint Laplace transforms. Our results are expressed in terms of the real and imaginary parts of complex functions by complex matrix. Numerical results are included.
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Acknowledgments
We are deeply grateful to Professor Renming Song at Department of Mathematics, University of Illinois at Urbana-Champaign for his guidance and detailed suggestions. This work is partially supported by the National Natural Science Foundation of China (No. 11631004, 71532001) and the LPMC at Nankai University.
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Jiang, P., Li, B. & Wang, Y. Exit Times, Undershoots and Overshoots for Reflected CIR Process with Two-Sided Jumps. Methodol Comput Appl Probab 22, 693–710 (2020). https://doi.org/10.1007/s11009-019-09730-8
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DOI: https://doi.org/10.1007/s11009-019-09730-8