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排序方式: 共有8445条查询结果,搜索用时 15 毫秒
41.
Miklós Losoncz 《Intereconomics》2003,38(3):132-137
In mid-January 2003 a severe speculative attack was launched against the exchange rate of the Hungarian forint. The attack
was very unusual in the history of foreign exchange speculations, since it was aimed at enforcing the appreciation — and not
the depreciation — of the currency targeted. The specific nature of this kind of speculation is closely related to Hungary’s
accession to the European Union in general and to EMU in particular. Since the other Central and Eastern European acceding
countries face similar problems and challenges, the Hungarian experience may involve some instructive lessons on monetary
and economic policy for them too. 相似文献
42.
Douglas M. Lambert Sebastin J. García‐Dastugue Keely L. Croxton 《Journal of Business Logistics》2005,26(1):25-51
Supply chain management (SCM) is implemented by integrating corporate functions using business processes within and across companies. Several process‐oriented frameworks for SCM have been proposed but only two of these provide sufficient detail to enable implementation. We evaluate the Supply‐Chain Operations Reference (SCOR) framework and The Global Supply Chain Forum (GSCF) framework using four criteria and identify their relative strengths and weaknesses. 相似文献
43.
Sancho Salcedo‐Sanz Mario DePrado‐Cumplido María Jesús Segovia‐Vargas Fernando Prez‐Cruz Carlos Bousoo‐Calzn 《International Journal of Intelligent Systems in Accounting, Finance & Management》2004,12(4):261-281
We propose two novel approaches for feature selection and ranking tasks based on simulated annealing (SA) and Walsh analysis, which use a support vector machine as an underlying classifier. These approaches are inspired by one of the key problems in the insurance sector: predicting the insolvency of a non‐life insurance company. This prediction is based on accounting ratios, which measure the health of the companies. The approaches proposed provide a set of ratios (the SA approach) and a ranking of the ratios (the Walsh analysis ranking) that would allow a decision about the financial state of each company studied. The proposed feature selection methods are applied to the prediction the insolvency of several Spanish non‐life insurance companies, yielding state‐of‐the‐art results in the tests performed. Copyright © 2005 John Wiley & Sons, Ltd. 相似文献
44.
Statistical Decision Problems and Bayesian Nonparametric Methods 总被引:1,自引:0,他引:1
This paper considers parametric statistical decision problems conducted within a Bayesian nonparametric context. Our work was motivated by the realisation that typical parametric model selection procedures are essentially incoherent. We argue that one solution to this problem is to use a flexible enough model in the first place, a model that will not be checked no matter what data arrive. Ideally, one would use a nonparametric model to describe all the uncertainty about the density function generating the data. However, parametric models are the preferred choice for many statisticians, despite the incoherence involved in model checking, incoherence that is quite often ignored for pragmatic reasons. In this paper we show how coherent parametric inference can be carried out via decision theory and Bayesian nonparametrics. None of the ingredients discussed here are new, but our main point only becomes evident when one sees all priors—even parametric ones—as measures on sets of densities as opposed to measures on finite-dimensional parameter spaces. 相似文献
45.
46.
The above analysis allows several conclusions to be drawn:
相似文献
1) | Firstly, deregulation and liberalisation in an economy undergoing the transition from plan to market must differ somewhat from their counterparts in a highly developed market economy. This is because what is being aimed at in the transition process is to modify, not to eliminate the regulatory function of the public administration responsible for planning and implementing new institutional solutions. |
2) | Secondly, privatisation of the public sector must not become a fetish, nor must it be treated as a panacea for rapid systemic changes. For objective reasons, privatisation is not susceptible to shock methods (of the cold turkey type) and therefore it is unable to rapidly induce structural changes. |
3) | Thirdly, the stabilisation policy should be accompanied by a selective industrial policy carried out by the State. And the stabilisation policy must give balanced consideration to the relationship: inflation rate -output level- unempolyment rate. |
47.
Borges del Rosal Africa San Luis Concepción Sánchez-Bruno Alfonso 《Quality and Quantity》2003,37(3):303-316
Quality &; Quantity - Cliff (1993) has proposed the use of a measure of effect size alternative to traditionalmean differences: δ {? = Pr(xi1 &;gt; xj2) - Pr(xi1 &;lt; xj2)}which,... 相似文献
48.
Donald?F.?KuratkoEmail author Jeffrey?S.?Hornsby James?W.?Bishop 《The International Entrepreneurship and Management Journal》2005,1(3):275-291
Through the development and extension of theories and scholars’ subsequent empirical analyses of significant, theoretically grounded research questions, the knowledge about corporate entrepreneurship (CE) and its successful use continues to advance. Moreover, the literature suggests important relationships between the corporate environment, managers’ entrepreneurial behavior and successful implementation of corporate entrepreneurship actions. In an attempt to test some of those relationships, we describe an empirical study of 523 managers that examines the relationships among the antecedents to managers’ entrepreneurial behavior, a decision to implement entrepreneurial actions, and resulting job satisfaction and reinforcement practices. 相似文献
49.
50.
Jixia?Yang Gary?J.?CastrogiovanniEmail author Robert?Justis 《The International Entrepreneurship and Management Journal》2005,1(1):9-25
This article focuses on the structuring of the corporate headquarters in a franchise organization. Four essential issues that are related to franchisors organizational structure are discussed—homogeneity and heterogeneity of franchisors structure, company-owned and franchise arrangement, the dynamics between strategy and structure, and performing innovative and administrative functions simultaneously in the headquarters. Propositions are given for each issue. The results of qualitative analysis associated with each issue are discussed. 相似文献