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排序方式: 共有80条查询结果,搜索用时 15 毫秒
51.
Anderson Gwanyebit Kehbila Jürgen Ertel Alan Colin Brent 《Business Strategy and the Environment》2010,19(7):453-465
In the past decade, the plea for corporate sustainability has gathered momentum and protecting the environment is one aspect for organizations to address if they are to conduct business in a sustainable manner. In this paper, we present the results of a questionnaire survey on the state of corporate sustainability within the South African automotive industry. The survey focused on the meaning and relevance of sustainability to South African automotive companies, and their use of different approaches to implement sustainability in corporate practice. On this score, the paper seeks to analyze and compare the levels of voluntary environmental initiatives between large and small and medium‐sized enterprises within the automotive milieu. Survey results reveal that a majority of automotive companies have sought to improve their environmental performance by integrating environmental considerations into their core activities. Although the majority of these companies have standardized EMSs, our analysis reveals considerable differences between companies' approaches to corporate sustainability. In particular, they varied in the extent to which procedures were formalized and documented behind the corporate rhetoric of a high commitment to sustainability. The paper concludes by prescribing a number of recommendations as to how to engage and promote more widely the South African automobile manufacturing companies in environmental change. Copyright © 2009 John Wiley & Sons, Ltd and ERP Environment. 相似文献
52.
《Socio》2023
Emergency medical services (EMS) play a vital role in delivering pre-hospital care. The operational efficiency of such services is critical and adequate demand forecasts can contribute to such a goal. But for that, the available data need to be well characterized before being used. Previous studies have failed to address some important aspects of this need, such as exploring a comprehensive list of contextual data to decide which are relevant to explain the EMS demand behavior. Moreover, modern forecasting techniques have been explored in the EMS context, including neural networks, but the computational complexity inherent to the methods and their use was not discussed. Finally, it is also unclear how different demand patterns can be when predicting the volume of emergency calls considering the priority level and the number of dispatches according to vehicle type. This study proposes a generic data-driven forecasting method to address these shortcomings and to support operational decisions. The results obtained with the proposed method indicate that each priority call and vehicle type shows different patterns, which suggests that such differentiation should contribute to better resource allocation. At the same time, the operational impact of the demand shared by neighboring zones proved to be significant at bases near the border. The models developed resulted in important decision tools that can be used to predict the dynamic demand of EMS on an hourly or shift basis. Additionally, the method adds value for decision-makers that want to plan not only when and how many but also where resources are demanded, avoiding assumptions that impact the operational performance. 相似文献
53.
建立企业ISO14000环境管理体系的探讨 总被引:1,自引:0,他引:1
ISO14000环境管理体系在我国企业环境管理方面的应用尚在探索阶段,本文在介绍该标准体系的组成的基础上,重点讨论了建立企业ISO14000环境管理体系的重要意义,并提出了在建立过程中应注意的问题。 相似文献
54.
The exchange rates between the currencies of European Monetary System (EMS) members are essentially fixed between narrow bands mandated by the Exchange Rate Mechanism (ERM). the intent of such a fixed rate regime is to enhance policy co-ordination within the EMS. However, it has instead led to German policy dominance within the system according to several recent studies. We examine the optimal dynamic credit policy of a bank in an EMS country that is subject to such German ‘dominance’. Our stochastic control model reveals conditions under which German monetary policies can influence domestic bank lending behaviour. It also suggests that banks may be able to hedge such risk exposure by increasing in size. the model offers ‘credit supply' based explanations for recent regulatory reforms in Europe towards unified banking and the attempts of several EMS members to de-link their policies from that of the German Bundesbank. 相似文献
55.
Maria Soledad Martinez Peria 《Empirical Economics》2002,27(2):299-334
This paper implements a regime-switching framework to study speculative attacks against EMS currencies during 1979–1993. To identify speculative episodes, we model exchange rates, reserves, and interest rates as time series subject to discrete regime shifts between two possible states: “tranquil” and “speculative”. We allow the probabilities of switching between states to be a function of fundamentals and expectations. The regime-switching framework improves the ability to identify speculative attacks vis-à-vis the indices of speculative pressure used in the literature. The results also indicate that fundamentals (particularly budget deficits) and expectations drive the probability of switching to a speculative state. First Version Received: October 2000/Final Version Received: June 2001 相似文献
56.
介绍了湖南某拖拉机厂技术改造项目,加工车间设计。通过对加工车间工艺平面布置的设计与决策,打破了常规,提出了适合我国汽车、拖拉机的箱体加工等零件的加工车间设计方案和一个新的概念──变型制造方案。该方案可以重组,应变快,能进能退,几乎没有投资风险。 相似文献
57.
58.
This article investigates whether the German Dominance Hypothesis is valid within the context of nominal short-term interest rates. The approach taken to address this hypothesis is based on the notion that German interest rates should convey valuable information to other countries' rates or that there exist significant multidirectional volatility spillovers from the Bundesbank to other nations' central banks. These transfers can be analyzed within a multivariate framework of an Exponential GARCH model capable of capturing the potential asymmetries of the volatility spillover mechanism. The results, basically, do not support the idea of a German predominance within the system, in a strict sense, since Germany's rates are also affected, for the most part, by actions from its partners. 相似文献
59.
持续改进是环境管理体系的核心思想,是建立充分、适宜和有效的体系的关键。本文探讨了组织要做好五方面的评价工作,及时更新体系要素,并对改进环境管理体系、更有效地实施该体系提出了一些看法。 相似文献
60.
Elisabeth Oltheten George Pinteris Theodore Sougiannis 《The Quarterly Review of Economics and Finance》2003,43(5):774
This paper examines the first two decades of Greece’s experience as a member of the European Union (EU). In evaluating the Greek experience within the EU, we derive three fundamental policy lessons that apply both to similar small peripheral countries now entering the EU and to the EU itself in terms of facilitating their integration in a large economic area. First, small peripheral countries that enter the EU must address the structural deficiencies of their economies before entry in order to minimize the impact of increased competition after the removal of trade protection, and follow domestic policies that maintain and promote their comparative advantage within the EU. Second, the Convergence Criteria have proven to be a successful mechanism for countries with a poor historical policy record to achieve macroeconomic stability, as shown by the case of Greece. Third, common EU policies can be very helpful in facilitating structural reforms in small peripheral economies. However, these policies must be continuously evaluated and improved so that their effectiveness is maximized. 相似文献