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1.
Nikolai Dokuchaev 《Annals of Finance》2018,14(2):223-251
This papers addresses the stock option pricing problem in a continuous time market model where there are two stochastic tradable assets, and one of them is selected as a numéraire. An equivalent martingale measure is not unique for this market, and there are non-replicable claims. Some rational choices of the equivalent martingale measures are suggested and discussed, including implied measures calculated from bond prices constructed as a risk-free investment with deterministic payoff at the terminal time. This leads to possibility to infer a implied market price of risk process from observed historical bond prices. 相似文献
2.
Rudolf O. Large Nikolai Kramer Rahel Katharina Hartmann 《Journal of Purchasing & Supply Management》2013,19(3):122-133
This paper strives to answer the general question; how far purchasers of logistics services take into account aspects of sustainable development. Modeled on the German Sustainable Development Strategy, which is based on the EU Sustainable Development plan, five fields of activity are defined: the reduction of transport intensity and emission, the reduction of land use, the choice of carrier under consideration of sustainable aspects, the permanent improvement of working conditions, and the enhancement of qualified employment. Then, propositions for purchasing companies of logistics services are developed, which contribute to safeguard ecological as well as social sustainability. In order to conduct an explorative study, a questionnaire was sent to 750 purchase and logistics managers. It was found that purchasing companies place high value on ecological and social aspects. But the perceived importance is not associated with purchasing companies' own contributions to logistics service providers' sustainable activities. Additionally, it was seen that purchasing companies exert only a minor influence on logistics service providers regarding ecologically and socially sustainable actions. A fundamental precondition for a sustainably oriented procurement of logistics services can be seen in the purchasing companies' awareness of the need for integrating sustainable aspects in economic decisions. 相似文献
3.
We discuss self-interested uses of equity arguments in international climate negotiations. Using unique data from a world-wide survey of agents involved in international climate policy, we show that the perceived support of different equity rules by regions may be explained by the ranking of their economic costs. Despite being self-interested, equity arguments may be perceived as being used for different reasons, for example, out of fairness considerations or in order to facilitate negotiations. Consistent with experimental and behavioral studies on fairness perceptions, we find that individuals are more likely to state reasons with positive attributes if they evaluate their own region or regions that support the individual's personally preferred equity rule. Negotiators perceive the use of equity by regions as less influenced by pressure from interest groups. 相似文献
4.
Akut dekompensierte Herzinsuffizienz - Rund zwei Millionen Menschen in Deutschland
leiden an einer Herzinsuffizienz. Vor allem Dekompensationen des Krankheitsbildes
gef?hrden die Patienten und führen zu wiederholten Krankenhauseinweisungen. Ursache:
Oft falsche Medikamenteneinnahme oder die mangelnde Umsetzung von Verhaltensrestriktionen. Pflegekr?fte müssen bei ihrer Arbeit
daher verst?rkt auf Aspekte der Patientenedukation
setzen. 相似文献
5.
Charles A. Ziegler 《Journal of economic behavior & organization》1985,6(2):103-121
This paper presents a model of the way ex-employees of an innovative, science-based entrepreneurial firm founded new enterprises based on copying the novel products of their former employer. The model focuses on the role played by the product-specific subculture of the innovative parent firm in the emergence of these imitative entrepreneurs. 相似文献
6.
This paper empirically examines the theoretically ambivalent relationship between socially responsible investing (SRI) and stock performance. It contributes to the existing literature by considering both the US and the entire European stock markets and by using consistent world-wide corporate sustainability performance data. Our portfolio analysis from 1998 to 2009 is based on the common four-factor model according to Carhart (1997), which comprises market return, size, value, and momentum factors. We show for the US and the European stock markets that SRI is associated with large-sized firms. The insignificant abnormal stock returns for SRI in both regions are the main result of our paper. Therefore, our study supports the view that SRI stocks are correctly priced by market participants, although we cannot rule out that a corresponding mispricing has existed before the beginning of our observation period in 1998. 相似文献
7.
Nikolai S. Kukushkin 《Economic Theory》2013,52(3):1039-1060
Let a preference ordering on a lattice be perturbed. As is well known, single crossing conditions are necessary and sufficient for a monotone reaction of the set of optimal choices from every chain. Actually, there are several interpretations of monotonicity and several corresponding single crossing conditions. We describe restrictions on the preferences that ensure a monotone reaction of the set of optimal choices from every sublattice whenever a perturbation of preferences satisfies the corresponding single crossing condition. Quasisupermodularity is necessary if we want monotonicity in every conceivable sense; otherwise, weaker conditions will do. 相似文献
8.
With the new German Gene Diagnostic Act (Gendiagnostikgesetz) the legislator aims at improving the protection of insurance applicants by prohibiting private insurers from collecting and using genetic information. However, the analysis of the new provisions shows that the provisions pertaining to insurance neither provide a comprehensive protection against genetic discrimination of insurance applicants and insured nor do they protect their right of gene-informational self-determination. Cuts of insurance benefits of the insured in private health insurance as well as incoherent disclosure obligations for insurance applicants unconstitutionally limit the rights of affected people as compared to the time before the Gene Diagnostic Act came into force. In summary, the new Gene Diagnostic Act does not only fail to meet its claims and thus falls short of the expectations, but also, due to numerous unclear provisions, poses a series of grave problems for insurance applicants, privately insured and private insurers. 相似文献
9.
The “Big Eight” accounting firms are alleged to dominate the setting of accounting and auditing standards. This paper identifies the recent criticisms and reviews the standard setting procedures of the APB, FASB, and the ASB. The results of five empirical studies designed to investigate the alleged domination issue are summarized. The conclusion drawn is that there is no empirical evidence to indicate that the Big Eight collectively govern the accounting and auditing standard-setting process. 相似文献
10.
Fran?ois-Xavier Delaloye Michel A. Habib Alexandre Ziegler 《Financial Markets and Portfolio Management》2012,26(1):143-176
We examine the stock price reactions of four Swiss banks to negotiations between Switzerland and the European Union and between
Switzerland and the United States to (i) obtain an estimate of the value of banking secrecy to Swiss banks, and (ii) distinguish
between tax evasion and genuine privacy concerns as sources of that value. We find that the value of banking secrecy to the
private banks is large, accounting for 8 to 14% of their market value; in contrast, the value of banking secrecy to the universal
banks is small. We further find that tax evasion may be less important and privacy concerns more important a source of value
of banking secrecy than might previously have been thought. 相似文献