Time Reversal and Last Passage Time of Diffusions with Applications to Credit Risk Management

Masahiko Egami and Rusudan Kevkhishvili

Papers from arXiv.org

Abstract: We study time reversal, last passage time, and $h$-transform of linear diffusions. For general diffusions with killing, we obtain the probability density of the last passage time to an arbitrary level and analyze the distribution of the time left until killing after the last passage time. With these tools, we develop a new risk management framework for companies based on the leverage process (the ratio of a company asset process over its debt) and its corresponding alarming level. We also suggest how a company can determine the alarming level for the leverage process by constructing a relevant optimization problem.

Date: 2017-01, Revised 2019-02
New Economics Papers: this item is included in nep-rmg
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