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21.
随着西部经济的进一步发展,该区内部经济发展不平衡的问题也日渐凸显。文章在梳理西部省区经济差异发展状况和产业结构演变历程的基础上,运用基尼系数对西部12省区进行了产业分解。结果表明,二、三产业发展水平是西部经济差异化扩大的主要因素,而地理集中程度又是导致西部二、三产业发展水平差异化的主要因素。 相似文献
22.
Accounting for Negative,Zero and Positive Willingness to Pay for Landscape Change in a National Park
Nick Hanley Sergio Colombo Bengt Kriström Fiona Watson 《Journal of Agricultural Economics》2009,60(1):1-16
In contingent valuation, despite the fact that many externalities manifest themselves as costs to some and benefits to others, most studies restrict willingness to pay to being non‐negative. In this paper, we investigate the impact of allowing for negative, zero and positive preferences for prospective changes in woodland cover in two UK national parks, the Lake District and the Trossachs. An extended spike model is used to accomplish this. The policy implications of not allowing for negative values in terms of aggregate benefits are also investigated, by comparing the extended spike model with a simple spike making use of only zero and positive bids, and a model which considers positive bids only. We find that ignoring negative values over‐states the aggregate benefits of a woodland planting project by up to 44%. 相似文献
23.
Dutch glasshouse firms are facing the introduction of a system of tradable CO2 emission quotas. This paper employs a non‐parametric method for modelling tradable CO2 emissions of Dutch glasshouse firms. The method is capable of generating shifts in CO2 emissions across the sample of firms. Moreover, changes in volumes of outputs produced and inputs used are computed. Results show that firms using a conventional heating technology will be net purchasers of CO2 emissions, whereas firms using more advanced heating technologies will sell part of their emission quota. 相似文献
24.
Wolszczak‐Derlacz Joanna 《Bulletin of economic research》2014,66(Z1):S110-S131
This paper examines the impact of competition on the total factor productivity (TFP) of 21 manufacturing sectors in eighteen OECD countries over the period of time 1990–2006. We assume that the source of TFP growth can be either domestic or foreign innovation or technology transfer from the technological frontier. Trade openness, R&D, and human capital can have two effects: a direct effect on TFP (e.g., through innovation) and an indirect effect depending on the productivity gap between a given country and the technological frontier. We find that tougher domestic competition is always associated with higher sectoral productivity. Both import and export penetrations are positively associated with an increase of TFP. However, the channels through which higher TFP is materialized are different: export penetration works through level effect, while import penetration acts mainly when conditional on the level of technological development. The economical magnitude of the effect is not trivial. 相似文献
25.
26.
This paper links the analysis of IP address policy to the established vocabulary and concepts of institutional economics. Internet addressing and routing are usually discussed in technical terms, yet embedded in this highly technical discourse are a number of critical economic concepts, such as scarcity, externalities, common pool resources, tragedy of the commons, and conflict over the distribution of costs. To solve these problems, governance institutions native to the Internet have evolved. Yet despite the centrality of addressing and routing to Internet governance, there is very little research literature that bridges economic, institutional and technical discussions of IP addressing and routing. This paper connects the techno-economic discussion to analysis of institutions and governance arrangements. 相似文献
27.
John Pal David Bennison Ian Clarke John Byrom 《International Review of Retail, Distribution & Consumer Research》2013,23(3):225-246
This paper explores a neglected issue in the study of retail strategy and store location by considering the nature of policy networks operating at the interface between retailers and central government. It argues that informal networks, coupled with the economic power of retailers and the legitimization of their activities with reference to the 'consumer interest', have served to provide retailers with an influential avenue through which they can exert power over the nature of the regulatory environment within which they operate. The paper considers the limited extant 'evidence' of the operation of such networks before moving on to outline the results of a case study. The case study reflects on new store development in the UK grocery sector since 1988 as a backdrop to an analysis of the form of policy networks operating at the interface between government departments and retail organizations. It also explores the role of other stakeholders in this process. The existence of a number of such networks is described and their role explored with reference to the involvement of retailers in the formulation and evolution of Planning Policy Guidance Note 6 on retail development. 相似文献
28.
运用六西格玛管理方法,通过数据积累和统计分析,找出了影响前纺卷绕断大头和成品优等品率的主要因素,使用相关分析工具,对关键参数进行过程能力对比分析,找到了解决问题的有效途径,循此途径解决问题后,提高了产品质量,增加了经济效益. 相似文献
29.
Summary. We provide two new, simple proofs of Afriats celebrated theorem stating that a finite set of price-quantity observations is consistent with utility maximization if, and only if, the observations satisfy a variation of the Strong Axiom of Revealed Preference known as the Generalized Axiom of Revealed PreferenceReceived: 12 June 2003, Revised: 9 October 2003, JEL Classification Numbers:
D11, C60.Correspondence to: A. Fostel 相似文献
30.
DONALD J. LACOMBE HAROLD WINTER 《International Journal of the Economics of Business》2004,11(3):279-285
In 1998, 46 states were involved in a Master Settlement Agreement (MSA) with the tobacco industry. The other four states settled on their own. Our goal is to answer a counter factual question: how would these four states have fared had they been included in the MSA? We use data from Viscusi (2002) to explain settlement shares for states participating in the 1998 tobacco MSA, and to predict settlement shares for the four nonparticipating states. We find that two nonparticipating states (Minnesota and Mississippi) may have fared substantially worse had they been included in the MSA. 相似文献