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81.
82.
Dirk Veestraeten 《Economics Letters》2012,114(2):201-204
Extant solutions for state-contingent process switching use first-passage time densities or differential equations. We alternatively employ transition probabilities. These conditional likelihood functions also have obvious appeal for econometric analyses as well as derivative pricing and decision making under absorption and extinction. 相似文献
83.
In the spirit of methodology reviews for stock event studies, like the one prepared by Binder (Rev Quant Financ Account 11:111–137, 1998), this paper discusses the development of the event study methodology for corporate bonds since its first application with Katz (J Financ 29:551–559, 1974). The motivation to conduct this review stems from two sources: First, the methodology utilized for stocks cannot simply be applied to bonds, as bonds present several features that strongly distinguish them from stocks. An erroneous model could lead to false conclusions about the impact of new information on a firm’s debt. Second, the availability of new sources for bond data enables the application of bond event studies for an increasing number of research frameworks. Thus, future research ought to be interested in the selection of the proper methodology. Consequently, this paper illustrates past and present event study methods utilized to calculate abnormal bond returns and reviews the applied parametric and non-parametric test statistics. Besides, insight on how the availability of corporate bond data has evolved through the last four decades, as well as the impact on prevailing methodology is provided. Altogether, this paper provides a first extensive snapshot of the current bond event study methodology and offers guidance for future research. 相似文献
84.
Dirk Veestraeten 《Review of Derivatives Research》2017,20(1):1-13
The discounted stock price under the Constant Elasticity of Variance model is not a martingale when the elasticity of variance is positive. Two expressions for the European call price then arise, namely the price for which put-call parity holds and the price that represents the lowest cost of replicating the call option’s payoffs. The greeks of European put and call prices are derived and it is shown that the greeks of the risk-neutral call can substantially differ from standard results. For instance, the relation between the call price and variance may become non-monotonic. Such unfamiliar behavior then might yield option-based tests for the potential presence of a bubble in the underlying stock price. 相似文献
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The so called ANFA secret protocol brought to the public’s attention the previously only little noticed opportunity for national central banks of individual Eurozone members to create money through purchases of securities at their own expense. The ANFA financial assets amount to the significant share of 51% (gross) or rather 18% (net) of the Eurosystem’s balance sheet total and 41% of its total liquidity, thereby jeopardising the principle that the communities of the emitting and the money accepting countries should be congruent, which is seen as a stability condition for currency unions. There is a danger that the money creation via ANFA acts as an explosive device for the currency union. It is therefore necessary to clearly limit the own funds portfolio in order to restore the community of money emission. 相似文献
88.
Dirk Klimkeit 《International Journal of Human Resource Management》2016,27(8):850-875
Most cross-border organizational practice transfer involves implementation challenges, yet key literature in this field largely overlooks the mediating role of the transfer coalition, which serves as a ‘bridge’ between headquarters and subsidiaries in transferring an organizational practice. By exploring an in-depth case study of a top-tier professional service firm, this study contributes to the literature on cross-border human resource management practice transfer. We show that the transfer coalition displayed activities that translated into two separate managerial roles – transfer leadership and control – that were practiced with quite different levels of commitment by different members and impacted the successful management of the transfer process. We propose two distinctive transfer coalition archetypes – the entrepreneurial and the ceremonial type – where the leadership and control roles were practiced quite differently and reached different levels of organizational practice adoption. Furthermore, we suggest practical implications for HR professionals in order to improve global leadership and control competence. 相似文献
89.
This analysis’ goal is to characterise the impact of mid-tier auditors on competition and average supplied audit quality. The major result of our analysis is the following: Auditors’ flexibilities with respect to clients’ complexity determine the offered audit quality levels and thus the average supplied audit quality. Defining a model-endogenous quality measure, we show that for some instances the mid-tier auditor improves average audit quality, but for other instances fails to do so. The result could be of special interest for standard setters, for example, the European Commission, which is currently revising EU audit regulation. Further, the analysis may serve as an instrument to analyse economic consequences of future changes of regulation. 相似文献
90.
Dirk Eddelbuettel 《Journal of Applied Econometrics》2000,15(5):531-542
GNU Octave is an open‐source implementation of a (mostly Matlab compatible) high‐level language for numerical computations. This review briefly introduces Octave, discusses applications of Octave in an econometric context, and illustrates how to extend Octave with user‐supplied C++ code. Several examples are provided. Copyright © 2000 John Wiley & Sons, Ltd. 相似文献