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41.
对可行性研究报告及经济评价的几点认识 总被引:1,自引:0,他引:1
李广志 《石油化工技术经济》2002,18(2):58-60
指出在建设项目前期工作中存在的问题,建设项目前期工作滞后,前期方案深度不够,需对可行性研究报告及项目经济评价的方法与参数进一步完善,重视风险问题及清偿能力分析,提高技术经济人员的综合分析能力,实现投资决策科学化,提高经济效益。 相似文献
42.
43.
战后,在实现经济恢复和高速发展过程中,日本政府高度重视财政政策的宏观调控作用,在运用财政政策调节经济方面开辟了一条符合本国国情、突出本国特点的路子.对日本战后积极财政政策进行分析和评价,对我国经济发展具有重要的参考借鉴意义。 相似文献
44.
45.
Usha Chowdhary 《International Journal of Consumer Studies》2002,26(2):128-133
Three denim jeans products from the same manufacturer with differentiated pricing and labels (antiqued, sandblasted, and stonewashed) were used to determine the relationship between price and quality. Both qualitative and quantitative procedures were used to analyse the garments. All three jeans were made of twill weave with 3 × 1 repeat. Both structural and performance characteristics were compared using standardized tests. Analysis of variance was used to compare the selected structural and performance characteristics among the three jeans products. Tukey’s HSD tests were used for post hoc multiple comparisons for three jeans. The findings revealed that despite the fact that all three jeans products were from the same store, and that the fabrics used the same weave, degree and direction of twist, the jeans differed significantly for several structural and performance characteristics. Several possibilities for future research were explored. 相似文献
46.
Wolfgang J. Ströbele 《Environmental and Resource Economics》1992,2(1):19-32
If one looks at environmental quality N as a renewable natural resource (with its own natural dynamics) which is changed by emissions Z, then one gets a better understanding of the shape of the damage function. In the case of a logistic growth dynamics one obtains a well-shaped transformation frontier N(Z), even in a two-species natural dynamics. For a more general natural interaction in the framework of a prey-predator model one obtains the possibilities of a cusp catastrophe which makes the transformation frontier N(Z) ill-shaped for the standard arguments of economists and their most favoured environmental policy instruments. 相似文献
47.
James H. Love Frank H. Stephen 《International Journal of the Economics of Business》1996,3(2):227-248
This paper surveys the theoretical and empirical literature on the relationship between advertising, fees and quality in the self–regulating professions. Much of the literature is derived from the perspective of advertising as an information–enhancing device, helping to reduce the information asymmetry between professional and client. This is consistent with the majority of the empirical studies which suggest that advertising tends to have a downward effect on professional fees, with little if any adverse effect on quality. There are, however, important issues of method and measurement which may lessen the force of this conclusion 相似文献
48.
This paper evaluates the two well-known final waste disposal methods, incineration and landfilling. In particular we compare the social cost of two best-available technologies using a point estimate based on private and environmental cost data for the Netherlands. Not only does our comparison allow for Waste-to-Energy incineration plants but for landfills as well. The data provide support for the widespread policy preference for incineration over landfilling only if the analysis is restricted to environmental costs alone and includes savings of both energy and material recovery. Gross private costs, however, are so much higher for incineration, that landfilling is the social cost minimizing option at the margin even in a densely populated country such as the Netherlands. Furthermore, we show that our result generalizes to other European countries and probably to the USA. Implications for waste policy are discussed as well. Proper treatment of and energy recovery from landfills seem to be the most important targets for waste policy. Finally, WTE plants are a very expensive way to save on climate change emissions. 相似文献
49.
Trevor Davies Roger Elmer 《International Journal of Technology and Design Education》2001,11(2):163-180
The paper introduces the highly problematic nature of modelling in design and technology education and examines the relationship
between cognitive and concrete modelling. Its aim is to gain insight into what learners do, rather than what others say they
ought to do in their learning activities. The variety of purposes that educators have for learners’ modelling are discussed
through examining the contested curriculum justification for design and technology education itself. The paper proposes that
learners’ modelling cannot be extracted from the social milieu in which they act and it provides some insights of these social
influences through the analysis of two case studies. Their settings are a girls’ secondary school and a college of higher
education. Each case study is presented independently but organised with a common format to consider a) the impact of assessment
on learning intentions and outcomes; b) cultural influences on learning and modelling; c) social influences on learning and
modelling. A discussion of the emergent themes considers implications for teachers.
This revised version was published online in July 2006 with corrections to the Cover Date. 相似文献
50.
基金业绩的持续性是指业绩优秀的基金以后一段时间继续保持优秀的业绩,而业绩差的基金继续表现出差的业绩。如果基金具有持续性,对于投资者来讲,他们可以买进前期业绩优秀的基金,而卖出前期业绩差的基金,来获取超额收益,投资者不必耗费大量的资金和时间去评价和选择基金经理。本文就基金业绩持续性的研究理论方法进行阐述,并对我国投资基金作实证分析。 相似文献