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101.
生态工业网络技术创新机制分析 总被引:2,自引:0,他引:2
生态工业网络是实现循环经济的重要载体,提出了生态工业网络技术创新的特点——由核心企业主导和系统推进,介绍了确定核心企业的方法并描述了生态工业网络技术创新的路径。 相似文献
102.
Jean-Louis Weber 《Ecological Economics》2007,61(4):695-707
The European Environment Agency has started the implementation of a programme of land use and ecosystem accounts, following the System of Environmental and Economic Accounts (SEEA) guidelines of the United Nations. The purpose is to integrate information across the various ecosystem components and to support further assessments and modelling of these components and their interactions with economic and social developments. This programme reflects the increasing demand for environmental policy integration in Europe, both vertically through thematic policies as well as horizontally across policies in those sectors that contribute most to environmental impacts. The construction of land and ecosystem accounts is now feasible due to continuous improvements in monitoring, collecting and processing data and progress with the development of statistical methods that facilitate data assimilation and integration. The accounts are based on explicit spatial patterns provided by comprehensive land cover accounts that can be scaled up and down using a 1 km2 grid to any type of administrative region or ecosystem zone (e.g., river basin catchments, coastal zones or bio-geographic areas). Land cover accounts have been produced for 24 countries in Europe and first results published in the European Environment State and Outlook2005 report of the EEA.1 相似文献
103.
技术创新项目风险分析与综合评价 总被引:11,自引:0,他引:11
文章分析了企业技术创新项目的风险因素,在此基础上设置了风险评价指标体系,建立了模糊评判模型,对企业技术创新风险进行了科学评价,并能定量地衡量企业关于某个项目的技术创新风险大小,为企业技术创新决策和采取风险控制措施提供了依据。 相似文献
104.
This research examines the high level of change in supply organizations of large North American companies using data collected from 51 large North American supply organizations in 1987, 1995 and 2003. Analysis is supplemented by an additional 55 companies for which data were collected in 1995 and 2003. The availability of longitudinal data from individual companies over a 16-year period provided a unique opportunity to trace changes made to each company's supply organizational structure and their roles and responsibilities. Findings suggest that the respondents made major changes in supply organizational structure, supply chain responsibilities, use of purchasing teams, supply involvement in major corporate activities (MCA) and CPO reporting line, title and background. 相似文献
105.
Thomas Siebe 《Economic Systems Research》1996,8(2):183-194
For the maintenance and development of a disaggregated econometric model, the present paper deals with some aspects related to the identification of important intermediate transactions. First, some methodological aspects related to earlier works are discussed. By comparing the properties of different selection methods based on the recent West German input–output table, the calculations confirm the common finding that the necessary level of endogenization can be bounded meaningfully by an a priori investiga tion of the intersectoral transactions. This is also valid if the selection method considers restrictions that deal with the consistence of input–output tables and if some broader error criteria are applied. The main result of the empirical applications seems to be that some attention should be paid to temporal changes of important coefficients. 相似文献
106.
Most IS research in both the technical/rational and socio-technical traditions ignores or marginalizes the emotionally charged behaviours through which individuals engage in, and cope with the consequences of, IS practice and associated organizational change. Even within the small body of work that engages with emotions through particular conceptual efforts, affections are often conceived as a phenomenon to be eradicated – an affliction requiring a cure. In this paper, I argue that emotions are always implicated in our lived experiences, crucially influencing how we come to our beliefs about what is good or bad, right or wrong. I draw from the theoretical work of Michel Foucault to argue for elaborating current notions of IS innovation as a moral and political struggle in which individuals’ beliefs and feelings are constantly tested. Finally, I demonstrate these ideas by reference to a case study that had considerable emotional impact, and highlight the implications for future work. 相似文献
107.
经济快速发展地区农业土地利用变化驱动机制研究--以无锡市东亭镇、安镇镇和羊尖镇为例 总被引:12,自引:0,他引:12
以长江三角洲地区无锡市东亭镇、安镇镇和羊尖镇为例,通过应用德尔菲法和主成分分析法选择农地利用变化影响因素的基础上,构建了区域农业土地利用变化的驱动模型,并据此着重分析了区域农地数量变化与区域经济发展、城市化水平、农业集约化、城市(上海市)辐射力以及耕地保护政策变化之间的相互关系。研究结果表明,区域农业土地利用变化是上述因素综合作用的结果,并且在不同的乡镇,农地数量变化的驱动因素是有所差异的,而且区域社会经济发展的不同时期,各驱动因素的重要程度也是动态变化的。最后,作者就经济快速发展地区农业土地可持续利用管理提出若干政策建议,合理保护农地尤其是耕地资源;重视耕地质量占补平衡;依据农业产业发展态势,积极调整农地利用结构;推进非农产业升级,合理控制非农用地规模;进一步完善土地利用的经济约束机制和土地利用决策体系;加强区域合作,避免产业结构的趋同导致的土地利用结构的趋同;促进产业科技进步,提高土地利用占用效率。 相似文献
108.
企业技术创新的系统观与全面观 总被引:1,自引:0,他引:1
企业要获得持续的竞争优势,必须坚持全面和系统的技术创新。技术创新的系统观要求企业内外创新要素的系统集成,全面观则要求企业内不同创新形式的有机协同。基于创新管理理论的最新进展,文章分析了企业技术创新系统现与全面观的基本内涵。 相似文献
109.
S. J. Tol Richard 《Environmental and Resource Economics》1995,5(4):353-374
It is argued that estimating the damage costs of a certain benchmark climate change is not sufficient. What is needed are cost functions and confidence intervals. Although these are contained in the integrated models and their technical manuals, this paper brings them into the open in order to stimulate discussion. After briefly reviewing the benchmark climate change damage costs, region-specific cost functions are presented which distinguish tangible from intangible losses and the losses due to a changing climate from those due to a changed climate. Furthermore, cost functions are assumed to be quadratic, as an approximation of the unknown but presumably convex functions. Results from the damage module of the integrated climate economy modelFUND are presented. Next, uncertainties are incorporated and expected damages are calculated. It is shown that because of convex loss functions and right-skewed uncertainties, the risk premium is substantial, calling for more action than analysis based on best-guess estimates. The final section explores some needs for further scientific research. 相似文献
110.
In the EURURALIS project, a chain of models was used to predict the changes in sustainable development indicators for European human well-being, ecology and economy issues, for four alternative scenarios of the future socio-economic development. This paper describes the biodiversity analysis of the project. Models based on general relationships between environmental factors and biodiversity loss were combined with socio-economic, land-use and environmental models to derive data that were integrated into an interactive tool for policy makers. The biodiversity analysis takes into account the effects of land-use change, climate change, fragmentation by major roads, area of unfragmented patches, nitrogen deposition, forestry and disturbance. Results show that biodiversity is projected to decrease between now and 2030 in most countries for all scenarios, indicating that it is unlikely that the EU will be able to fulfill its commitment to stop biodiversity loss by 2010. This is mainly due to urbanization and increase in stress factors, and outweighs the area increase of nature arising from land abandonment. Merits, limitations and uncertainties of this approach to biodiversity assessment are discussed. 相似文献