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排序方式: 共有193条查询结果,搜索用时 15 毫秒
1.
Gerardo Angeles-Castro Laura Josselin Arriola-Barcenas Carlos Bonifacio Baeza-Almaraz 《Applied economics letters》2018,25(21):1531-1534
By using panel data analysis across 368 water utilities in Mexico over the period 2010–2014, we find that small firms are more efficient than medium and large providers and that increasing production is associated with less efficiency. Billing, income collection and profitability are relevant factors to improve efficiency. Medium and large firms require to measure consumption by service with meters in order to increase efficiency, while small firms do not require it. 相似文献
2.
The UK gas industry has undergone major changes since it was privatised in 1986 as a fully integrated monopoly. The most significant of these has occurred not as a result of the privatisation legislation but by the intervention of the ordinary competition authorities in support of an active industry regulator. While price capping continues to be used as the primary instrument for welfare protection against the still substantial monopolistic powers of the incumbent, new competition (which has been positively encouraged) has had the greater impact on prices and choice. Recently, however, the regulator has encouraged the use of auctions for the sale of storage capacity. This paper considers the merits of auctions and makes a tentative evaluation of their effectiveness. Further use of auctions is recommended but reserve prices are considered inappropriate where monopoly power still remains. 相似文献
3.
提高博士生培养质量刍议 总被引:1,自引:0,他引:1
本文通过数据统计实证分析 ,发现浙江省的民营经济与国有经济在资金投入产出上存在严重的不对称 ,从而制约了民营企业的活力和快速发展 ,得出了改变对民营企业的传统偏见 ,为其提供一个宽松、公平、合理、有效的环境 ,加大国有金融机构对民营经济的信贷倾斜 ,设立专门为民营企 相似文献
4.
Linear Programming Models for the Measurement of Environmental Performance of Firms—Concepts and Empirical Results 总被引:2,自引:0,他引:2
I use linear programming models to define standardised, aggregate environmental performance indicators for firms. The best practice frontier obtained corresponds to decision making units showing the best environmental behaviour. Results are obtained with data from U.S. fossil fuel-fired electric utilities, starting from four alternative models, among which are three linear programming models that differ in the way they account for undesirable outputs (pollutants) and resources used as inputs. The results indicate important discrepancies in the rankings obtained by the four models. Rather than contradictory, these results are interpreted as giving different, complementary kinds of information, that should all be taken into account by public decision-makers. 相似文献
5.
世界遗产:公共产权的转移与约束 总被引:10,自引:1,他引:10
谢元鲁 《桂林旅游高等专科学校学报》2004,15(1):23-27
世界遗产是具有公共产权性质的特殊资源,应由国家进行永久性保护。但由于目前我国文物保护经费的不足,以及现行体制把世界遗产的管理权分散到地方政府各部门,在获得保护经费及旅游利益的驱动下,部分遗产地出现了过度开发现象,导致世界遗产保护区的城市化与商业化.出现保护与开发矛盾的根本原因,在于世界遗产公共产权私人化趋向,导致其外部性的增强.可能的解决途径是世界遗产公共产权由中央或地方的国家单一部门管理,以实现产权的硬约束,并且建立旅游收益与保护资金之间,政府与旅游企业之间的平衡。 相似文献
6.
Changes in total surplus are traditional measures of economic welfare. We propose necessary and sufficient conditions for
rationalizing individual and aggregate consumer demand data with individual quasilinear and homothetic utility functions.
Under these conditions, consumer surplus is a valid measure of consumer welfare. For nonmarketed goods, we propose necessary
and sufficient conditions on input market data for efficient production, i.e. production at minimum cost. Under these conditions
we derive a cost function for the nonmarketed good, where producer surplus is the area above the marginal cost curve.
We are greatful to helpful remarks and comments of the referees and the editor. The work is partially supported by the Spanish
Ministry of Science and Technology, through Grant BEC2002-2130, the Generalitat de Catlaunya, through Grant 2005SGR-00454
and the Barcelona Economics Program (CREA). 相似文献
7.
George C. Homsy 《Journal of Economic Policy Reform》2020,23(2):120-137
ABSTRACT Most literature on utility sustainability focuses on internal operations; this misses the role that utilities could play within a community. This study measures the impact of municipal ownership of water and electric utilities on the sustainability policymaking of local governments. I find that municipalities with government-owned water utilities adopt more sustainability measures than those with investor-owned service. Similarly, municipally-owned electric utilities have higher levels of energy sustainability in the community, but not in government operations. The utilities provide fiscal and technical capacity to municipalities. Interdepartmental coordination also strongly predicts sustainability policymaking. This study brings potential community benefits to the discussion of private investment in public service delivery. 相似文献
8.
This paper deals with water transfers between jurisdictions not claiming riparian rights to the same water source, and taking place through straightforward sales. Taking into account the uncertain nature of water surpluses, we investigate, within a partial equilibrium framework, the implications of a third party's provision of storing facilities upon the potential supplier's decision whether, and to what extent, it is worthwhile to guarantee a constant amount of water exports. The analysis suggests that there exists a minimum storage capacity below which the potential supplier will never find it profitable to divert a constant amount of water outside his boundaries; the greater the uncertainty about future surpluses and/or internal costs due to even occasional water shortages resulting from the water export commitment, the higher the required minimum storage capacity will be. Above this minimum, an increase in the capacity would be better for the surplus agent, but in a situation in which water surplus is expected to decrease over time, increases in storage capacity would make him willing to guarantee a smaller amount of water deliveries.This work has been carried out under the auspices of the European Science Foundation's research program Sharing fresh water resources in the Mediterranean region: An economic perspective. Previous versions have been presented at ESF workshops held at the Universities of Haifa, Padova and Crete. Financial support from MURST (funds 40% — 1992) is gratefully acknowledged. We wish to thank Nunzio Cappuccio, Haluk Akdogan, Karl Mäler, Mordechai Shechter, Naomi Zeitouni, and two anonimous referees for helpful comments. The usual disclaimer applies. 相似文献
9.
在当前电力供需日趋紧张的形势下,电力企业为了保证电网的安全稳定运行,实现其向社会可靠供电的承诺,必须在政府的政策支持和引导下加快电源和电网建设的同时充分挖掘需求侧潜力,大力推进需求侧管理在中国的实践.笔者根据多年工作经验总结出在开展需求侧管理工作的过程中应注意的几个问题. 相似文献
10.
阐述了由于电力执法主体严重缺位,造成电力发展环境欠佳,盗窃电能相当普遍,电力设施破坏严重,电费欠费收缴困难等问题长期得不到解决,并提出各级地方政府要以人为本,加强法治,加大打击力度,以改善电力发展和供电环境。 相似文献