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Principles of smooth and continuous fit in the determination of endogenous bankruptcy levels 总被引:1,自引:1,他引:1
We revisit the previous work of Leland [J Finance 49:1213–1252, 1994], Leland and Toft [J Finance 51:987–1019, 1996] and Hilberink
and Rogers [Finance Stoch 6:237–263, 2002] on optimal capital structure and show that the issue of determining an optimal
endogenous bankruptcy level can be dealt with analytically and numerically when the underlying source of randomness is replaced
by that of a general spectrally negative Lévy process. By working with the latter class of processes we bring to light a new
phenomenon, namely that, depending on the nature of the small jumps, the optimal bankruptcy level may be determined by a principle
of continuous fit as opposed to the usual smooth fit. Moreover, we are able to prove the optimality of the bankruptcy level according to the appropriate choice of fit.
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Introduced by Kifer (2000) , game options function in the same way as American options with the added feature that the writer may also choose to exercise, at which time they must pay out the intrinsic option value of that moment plus a penalty. In Kyprianou (2004) an explicit formula was obtained for the value function of the perpetual put option of this type. Crucial to the calculations which lead to the aforementioned formula was the perpetual nature of the option. In this paper we address how to characterize the value function of the finite expiry version of this option via mixtures of other exotic options by using mainly martingale arguments. 相似文献
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This article uses a survey of RCN safety representatives to examine the operation of the Safety Representatives and Safety Committees Regulations 1977. The survey’s findings indicate that while NHS employers have become more supportive of such representatives, many are still failing to comply with their statutory obligations. 相似文献
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