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21.
Chris Oliver 《海外经济评论》2009,(22)
【美国《华尔街日报》5月25日】中国经济似乎正在丧失增长动力,一些经济领域在一度出现井喷式增长后,目前显现了增速放缓迹象,不过经济学家们说,现在就断言中国的经济复苏已经终止还为时尚早。 相似文献
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Robin Naidoo Greg Stuart-Hill L. Chris Weaver Jo Tagg Anna Davis Andee Davidson 《Environmental and Resource Economics》2011,48(2):321-335
There exist few quantitative assessments of the relationship between biodiversity per se and economic benefits at scales that are relevant for conservation. Similarly, the merits of Community-Based Natural Resource
Management programs for both wildlife and people are contested. Here, we harness two databases, on wildlife surveys and financial
benefits, to address these issues for communal conservancies in northwest Namibia. We use ordination methods to characterize
the diversity and stability of large wildlife assemblages on conservancies, and demonstrate that diversity (but not stability)
is an important explanator of conservancy financial benefits. Our results indicate that for this area of Namibia, biodiversity,
as represented by large wildlife assemblages, has an important, positive effect on the tangible financial benefits that people
derive from conservation programs. 相似文献
24.
Chris Milner 《The World Economy》1996,19(5):517-532
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Allan N. Rae Chris Nixon & Peter Gardiner 《The Australian journal of agricultural and resource economics》1999,43(4):479-500
Owing to their eradication of foot-and-mouth disease Argentina and Uruguay have recently been granted access to the fresh beef markets of the United States and Canada. This raises the prospect of Latin American suppliers gaining access to other Pacific Rim markets, and of increasing the integration of the Pacific and non-Pacific beef markets. A two-commodity spatial equilibrium model is constructed for the base year 1995. Projections are then made for the year 2001 under various policy and other scenarios. In some instances, major changes in trade patterns may result. 相似文献
28.
旅游对传统村落的影响研究——以安徽齐云山为例 总被引:4,自引:0,他引:4
旅游影响一直是国内外旅游研究的重要课题,旅游地居民对旅游发展的感知是研究旅游影响的重要途径。此次调查以安徽省黄山市休宁县齐云山为例,采用问卷调查和现场访谈相结合的方式,运用SPSS、CATPACTM等软件对调查结果进行数理统计,从居民与游客角度分析了旅游开发给齐云山居民带来的经济、社会文化、环境的若干影响,以及居民对旅游业所持的态度。文章着重于探讨居民对于因旅游开发所带来的村落影响的感知,以及他们对于当前旅游影响的评测和对未来旅游发展的期待。 相似文献
29.
A Re-examination of the Performance of Value Strategies in the Athens Stock Exchange 总被引:1,自引:0,他引:1
This study tests the performance of contrarian (value) strategies in the Athens Stock Exchange (ASE) in a recent period of time (2003–8) on the basis of the price to earnings ratios, dividend yields, firm size (market value), market to book ratios, financial leverage ratios, and market beta. Apart from the univariate portfolio analysis, we implement a novel panel data analysis based on the procedure suggested by Pesaran (2004, Econometrica 74:967–1012, 2006) that provides a valid estimation and inference under cross sectional dependence. Our portfolio analysis results highlight for investors in the ASE the superiority of value strategies formed on the basis of stocks with low price-to-earnings, high dividend yield ratios, and low market-to-book ratios. Our panel data analysis results depend on whether or not we correct for the problem of cross-sectional correlation in the regression residuals as suggested by Pesaran’s (Econometrica 74:967–1012, 2006) method. When we correct for this problem, we obtain evidence which support only a negative association between annual stock returns and market-to-book ratios. This may imply to investors that an adoption of a value strategy based on the market-to-book ratio may constitute a safer option compared with the other two alternatives suggested by the portfolio analysis results. 相似文献
30.
Chris Hendry Paul Harborne James Brown 《Technology Analysis & Strategic Management》2013,25(4):403-425
The paper charts the efforts to establish a successful niche position for the phosphoric acid fuel cell (PAFC) in stationary power generation, as a precursor to wider technological system and regime change. Market entry depends on matching price/performance characteristics to a niche, and improving performance through increasing returns, the most important and immediate of which are ‘learning effects’. The paper identifies five types of learning effect: (i) migrating the technology to other niches and into the mainstream; (ii) opening the way for other technologies that may have greater scope for migration; (iii) transferring learning within the pioneering company to other technologies or products; (iv) transferring experience to others in the industry; and (v) enabling users to learn. Although PAFC may be perceived as a failure in some respects, a wider perspective suggests it has made a positive and useful contribution to learning. 相似文献