Detail publikace

Is Barrier version of Merton model more realistic? Evidence from Europe.

Autor: Petra Andrlíková MSc.,
Typ: IES Working Papers
Rok: 2014
Číslo: 11
ISSN / ISBN:
Publikováno v: IES Working Papers 11/2014
Místo vydání: Prague
Klíčová slova: structural credit risk model, barrier option pricing theory, down-and-in option, default probability
JEL kódy: G12, G15, C58, C51
Citace: Andrlíková, P. (2014). “Is Barrier version of Merton model more realistic? Evidence from Europe.” IES Working Paper 11/2014. IES FSV. Charles University.
Abstrakt: A company can go bankrupt if the value of its assets drops below the debt level. This event can happen at any point in time. This is however not taken into account in the plain vanilla option framework of the Merton model. Theoretically, the barrier version of the Merton model shall therefore be more accurate since it allows the company to go bankrupt at time prior to or at maturity. This theoretical prediction is tested on European most liquid companies. The implied default probabilities are compared with observed default rates given the Standard & Poor's rating grades. We provide evidence that the Barrier version of Merton model is more realistic, i.e. provide a significantly better fit to observed default rates, based on the value of the Diebold-Mariano test statistics.
Ke stažení: WP_2014_11_Andrlikova
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