The Leland-Toft Optimal Capital Structure Model Under Poisson Observations
34 Pages Posted: 16 May 2019
Date Written: April 16, 2019
We revisit the optimal capital structure model with endogenous bankruptcy first studied by Leland (1994) and Leland and Toft (1996). Differently from the standard case, where shareholders observe continuously the asset value and bankruptcy is executed instantaneously without delay, we assume that the information of the asset value is updated only at intervals, modeled by the jump times of an independent Poisson process. Under the spectrally negative Levy model, we obtain the optimal bankruptcy strategy and the corresponding capital structure. A series of numerical studies are given to analyze the sensitivity of observation frequency on the optimal solutions, the optimal leverage and the credit spreads.
Keywords: credit risk, endogenous bankruptcy, optimal capital structure, spectrally negative Levy processes, term structure of credit spreads
JEL Classification: C61, G32, G33
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