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91.
网络媒体要在激烈的媒体竞争中求的发展,离不开竞争力的培育,而核心竞争力的培育是网络媒体能否在这崭新的信息时代发挥其应有作用的关键。本文正是结合当代网络媒体业的实践,阐述了网络媒体核心竞争能力的内涵、特征及其构成要素,并探讨了网络媒体在现有资源和能力中培育核心竞争力的具体方法。 相似文献
92.
93.
LEI Hong-zhen CHEN Hao XU Yi-ping LI Yun 《中国经济评论(英文版)》2007,6(3):41-48
The concept and the characteristic of spread spectrum technology of knowledge network based on information integration environment are given at first. And the basic principle of the wireless network of knowledge and information is recommended. Then a project alternatives using the spread spectrum technology and wireless network is given to build a across-the abroad knowledge network system. 相似文献
94.
Benis Egoh Mathieu Rouget Andrew T. Knight Albert S. van Jaarsveld 《Ecological Economics》2007,63(4):714-721
A call has been made for conservation planners to include ecosystem services into their assessments of conservation priority areas. The need to develop an integrated approach to meeting different conservation objectives and a shift in focus towards human wellbeing are some of the motivations behind this call. There is currently no widely accepted approach to planning for ecosystem services. This study contributes towards the development of this approach through a review of conservation assessments and the extent to which they include ecosystem services. Of the 476 conservation assessments identified by a set of search terms on the Web of Science, 100 were randomly selected for this review. Of these only seven had included ecosystem services, while another 13 had referred to ecosystem services as a rationale for conservation without including them in the assessment. The majority of assessments were based on biodiversity pattern data while 19 used data on ecological processes. A total of 11 of these 19 assessments used processes, which could be linked to services. Ecosystem services have witnessed an increase in attention received in conservation assessments since the year 2000, however trends were not apparent beyond this date. In order to assess which types of ecosystem services and how they have been accounted for in conservation assessments, we extended our review to include an additional nine conservation assessments which included ecosystem services. The majority included cultural ecosystem services, followed by regulatory, provisioning and supporting services respectively. We conclude with an analysis of the constraints and opportunities for the integration of ecosystem services into conservation assessments and highlight the urgent need for an appropriate framework for planning for ecosystem services. 相似文献
95.
湖南省区域开发的空间模式研究 总被引:14,自引:3,他引:14
根据湖南省区域开发条件和现状,运用点轴理论,分析湖南省国土综合开发的地域结构及其演化趋势,进而提出全省中长期开发的空间模式,为宏观决策提供依据。即在湘江中下游和洞庭湖区实施网络式开发与点轴式开发相结合的开发模式,在湘中和湘南地区实施点轴开发模式,在湘西地区实施据点式开发模式。 相似文献
96.
Despite the abundant research on material flows and the growing recognition of the need to dematerialize the economy, business enterprises are still not making the best possible use of the many opportunities for material efficiency improvements. This article proposes one possible solution: material efficiency services provided by outside suppliers. It also introduces a conceptual framework for the analysis of different business models for eco-efficient services and applies the framework to material efficiency services. Four business models are outlined and their feasibility is studied from an empirical vantage point. In contrast to much of the previous research, special emphasis is laid on the financial aspects. It appears that the most promising business models are ‘material efficiency as additional service’ and ‘material flow management service’. Depending on the business model, prominent material efficiency service providers differ from large companies that offer multiple products and/or services to smaller, specialized providers. Potential clients (users) typically lack the resources (expertise, management's time or initial funds) to conduct material efficiency improvements themselves. Customers are more likely to use material efficiency services that relate to support materials or side-streams rather than those that are at the core of production. Potential client organizations with a strategy of outsourcing support activities and with experience of outsourcing are more keen to use material efficiency services. 相似文献
97.
基于社会网络的创业机会、动机与创业精神的关系研究 总被引:1,自引:2,他引:1
已有的创业精神的研究多基于西方的经济背景和实践。中国社会的历史文化和转轨时期的经济制度等都反映了中国创业精神发展的特殊性。其于制度理论,提出了创业机会、动机与创业精神之间的关系,并结合中国的创业实践认为,社会网络在创业机会、动机与创业精神的关系中起中介作用。 相似文献
98.
Policies such as the SEC’s Fair Disclosure Rule, and technologies such as SEC EDGAR, aim to disseminate corporate disclosures
to a wider audience of investors in risky assets. In this study, we adopt an experimental approach to measure whether this
wider disclosure is beneficial to these investors. Price-clearing equilibrium models based on utility maximization and non-revealing
and fully-revealing prices predict that in a pure exchange economy, an arbitrary trader would prefer that no investors are
informed rather than all are informed; non-revealing theory further predicts that an arbitrary trader would prefer a situation
in which all traders are informed rather than half the traders are informed. These predictions can be summarized as “None
> All > Half”. A laboratory study was conducted to test these predictions. Where previous studies have largely focused on
information dissemination and its effects on equilibrium price and insider profits, we focus instead on traders’ expected
utility, as measured by their preferences for markets in which none, half, or all traders are informed. Our experimental result
contradicts the prediction and indicates “Half > None > All”, i.e. subjects favor a situation where a random half is informed.
The implication is that in addition to testing predictions of price equilibrium, experiments should also be used to verify
analytical welfare predictions of expected utility under different policy choices.
JEL Classification D82, D53, G14, L86
This work was largely completed while this author was at The Hong Kong University of Science and Technology. 相似文献
99.
信息网络对企业空间组织的影响 总被引:15,自引:0,他引:15
信息网络是信息社会的主要基础设施,本文从信息网络的概念、分类和形状入手,讨论了信息网络对企业区位和劳动空间分工的影响,并举例加以说明,最后对地理学开展新的空间经济发展研究提出了思路. 相似文献
100.
Sharna Wiblen Anthony McDonnell 《International Journal of Human Resource Management》2020,31(4):474-510
AbstractThrough an in-depth, multilevel case study of a professional services firm, this paper illuminates what stakeholders mean when they use the term ‘talent’. The paper underlines how various contextual factors including, workforce composition, ownership structures and individual perceptions influence talent meanings within an organisation. Our analysis of talent phenomena at a multiplicity of levels illustrates that it is not only about the words, phrases, and terms employed when talking about talent that requires examination. There is a need to deliberate on the meanings that underpin the talk because while stakeholders may talk the same way they may mean different things. The paper makes a key theoretical contribution through specific recognition of the importance of thoughtful reflection of how stakeholders discursively construct meanings because ‘talent’ is a concept, which requires translation via talk to become meaningful within the material world and these meanings are influenced by context. Thus, we cannot infer, that talent meanings radiate within organisations, nor across organisational boundaries, industries or countries because discourses arise and materialise within specific contexts and we must acknowledge that talent discourses can not be removed from the context in which they operate. 相似文献