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991.
992.
D.?Ba?os T.?Meyer-BrandisEmail author F.?Proske S.?Duedahl 《Finance and Stochastics》2017,21(2):509-549
A well-known application of Malliavin calculus in mathematical finance is the probabilistic representation of option price sensitivities, the so-called Greeks, as expectation functionals that do not involve the derivative of the payoff function. This allows numerically tractable computation of the Greeks even for discontinuous payoff functions. However, while the payoff function is allowed to be irregular, the coefficients of the underlying diffusion are required to be smooth in the existing literature, which for example already excludes simple regime-switching diffusion models. The aim of this article is to generalise this application of Malliavin calculus to Itô diffusions with irregular drift coefficients, where we focus here on the computation of the delta, which is the option price sensitivity with respect to the initial value of the underlying. To this end, we first show existence, Malliavin differentiability and (Sobolev) differentiability in the initial condition for strong solutions of Itô diffusions with drift coefficients that can be decomposed into the sum of a bounded, but merely measurable, and a Lipschitz part. Furthermore, we give explicit expressions for the corresponding Malliavin and Sobolev derivatives in terms of the local time of the diffusion, respectively. We then turn to the main objective of this article and analyse the existence and probabilistic representation of the corresponding deltas for European and path-dependent options. We conclude with a small simulation study of several regime-switching examples. 相似文献
993.
We develop and showcase a simple no-arbitrage methodology for the valuation of discrete dividend payments, based exclusively on market prices of options via the put-call parity. Our approach integrates all available option market data and simultaneously calibrates the market-implied discount curve, thus ensuring consistency across spot and derivative markets. We illustrate our method using stocks of European blue-chip companies. 相似文献
994.
Frank Thinggaard 《Accounting in Europe》2017,14(1-2):67-79
AbstractI analyse the influence of IFRS on the Danish accounting regulation based on the EU Accounting Directive. In Denmark, the EU Accounting Directive is brought into force through the Danish Financial Statements Act. The analysis shows that the provisions in the Act are aligned with the IFRS to a great extent. It also shows that the Danish legislators extensively refer to IFRS and that they consider the IFRS to be the source to use for completing the national rules. I additionally show that the enforcers of the Danish Financial Statements Act look to the IFRS for guidance when they interpret the provisions, and that many important stakeholders have a positive attitude towards the use of IFRS for non-listed companies. The conclusion is that IFRS standards play a decisive role and have strong legitimacy in Denmark. 相似文献
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We describe a large-population one-locus, two-allele model that, for certain values of viability and fertility selection parameters,
displays a substantial monotonic decline in population mean fitness, concurrent with complete replacement of the allele associated
with higher fitness by the allele associated with lower fitness. 相似文献
999.
Frank Jensen Christian Elleby Katell G. Hamon Jos op de Weegh 《Applied economics》2019,51(21):2233-2248
In this study, we investigate whether the neoclassical economic theory, capital market frictions or preference-based theory can explain investment behaviour in the Dutch beam trawler fishery in the North Sea. By presenting a number of estimations, we show that vessels conducting pulse fishing invest substantially more than similar vessels undertaking conventional fishing, even after controlling for differences in such variables as capital stock, prices, profits and quotas. One possible explanation for this result is that vessel owners may obtain a separate benefit from investing in pulse fishing. 相似文献
1000.
Zur Übertragung biologischer Konzepte in die Betriebswirtschaft 总被引:1,自引:0,他引:1
Unternehmen sind — wie Organismen — offene und komplexe Systeme, die in st?ndiger Wechselbeziehung zu ihrer Umwelt stehen.
Vor diesem Hintergrund werden im Beitrag die M?glichkeiten der übertragung biologischer Konzepte in die Betriebswirtschaft
analysiert. Die Gegenüberstellung beider Wissenschaftsdisziplinen erfolgt dabei auf einer abstrakten Ebene und stellt eine
metaphorische Beziehung her, damit die zwei an sich v?llig unterschiedlichen Disziplinen einem Vergleich überhaupt erst zug?nglich
werden. Hierbei werden zahlreiche Parallelen deutlich. Die Grenzen der übertragung biologischer Konzepte ergeben sich allerdings
im Hinblick auf die mangelnde Ableitung konkreter Handlungsempfehlungen, weil lediglich analysiert werden kann, was sich bew?hrt
hat, jedoch nicht, was sich bew?hren wird. 相似文献