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Ola Olsson 《The World Economy》2006,29(8):1133-1150
Many countries that produce rough diamonds have experienced a highly adverse pattern of economic development. In this article, we propose that the primary reason for the negative impact is that diamonds easily become the prize in predatory struggles between loot‐seeking rebels and more or less kleptocratic governments. In weakly institutionalised countries like Angola, the Democratic Republic of Congo and Sierra Leone, this theory works well, but it does not explain the impressive growth record of diamond‐rich Botswana and Namibia. For a deeper understanding of these countries’ success, we point at the crucial differences between kimberlite and alluvial mining and the effect of having the world‐leading firm De Beers as a partner. Indeed, we argue that in countries like Angola, diamonds can never be a major vehicle for sustained growth, although the ongoing Kimberley process for eliminating conflict diamonds probably has contributed to making several African countries more stable. 相似文献
3.
Many textbooks on project management present illustrations concerning the relative size of project attributes during different project phases. The derived models all have attributes in common, such as uncertainty, significance of decisions, and degree of freedom to maneuver, that are typically high in the beginning of the project and low in the end. At the same time, variables such as the accumulated cost and available information begin at low levels and end up at a high level at the end of the project. Based on empirical data from projects, this paper illustrates and quantifies one of these attributes, the freedom to maneuver, in different project phases. 相似文献
4.
This paper discusses consequences of violating the normal distribution assumption imbedded in Structural Equation Modeling
(SEM). Based on real data from a large sample customer satisfaction survey we follow the procedures as suggested in leading
textbooks. We document consequences of this practice and discuss its impact on decision making in marketing. 相似文献
5.
民航行业中的客户数据、业务数据量十分巨大,而且更新速度频繁,使用传统CRM统计方法所能取得的效果并不理想,存在很多因为数据滞留带来的分析误差。不过随着计算机技术、数据库技术、信息传送技术的日益发展,客户关系管理也进一步得到发展,数据挖掘(Data Mining)就是CRM新的发展趋势。 相似文献
6.
This paper estimates the impact of the Chernobyl nuclear accident on domestic and international tourism in Sweden. From ARIMA
time series forecasts, outlier search, and intervention analysis based on regional monthly accommodation data from 1978–1989,
no effect on domestic tourism is found. However, there is an enduring deterrence effect on incoming tourism. The loss of gross
revenue from incoming tourism because of the Chernobyl accident, is estimated to 2.5 billion SEK. 相似文献
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Malak Tleis Roberta Callieris Lina Al Bitar Rocco Roma John Thgersen 《International Journal of Nonprofit & Voluntary Sector Marketing》2019,24(4)
To increase the sparse knowledge about what drives organic food consumers in developing markets, Lebanese consumers' reasons and motives for buying organic food are studied in the framework of means‐end chain theory. A sample of N = 180 Lebanese consumers was interviewed in several retail outlets using a hard laddering questionnaire. The data were subjected to frequency analysis, cluster analysis, and structural equation modelling. Hierarchal value maps constructed from the laddering interviews revealed that “quality of life,” “pleasure,” and “peace of mind” are the main values driving organic food consumption in Lebanon. Frequent organic consumers displayed higher concern for their family's health and for the environment, whereas occasional organic consumers cared more about their own pleasure and were more likely to perceive organic food as a traditional and nostalgic product. Structural equation modelling revealed that “care for nature” and “care for children's health” significantly affect consumers' (self‐reported) purchasing behaviour. The found means‐end chains are a useful basis for marketing campaigns for organic food products in the Lebanese market. One focus of marketing campaigns should be raising consumers' awareness on the environmental benefits of organic production and the fact that it does not allow the use of harmful chemical products. 相似文献
9.
This article contributes to the current literature on mergers and acquisitions (M&As) by identifying the existence of waves and the determinants of M&A activity in the economies of Argentina, Brazil, Chile, Colombia, Mexico, and Peru. From a sample of 2,391 M&A announcements reported by Thomson One on these countries, applying the methodology proposed by Harford (2005), evidence of M&A waves is found for the periods 1995–2002 and 2003–2010, as reported for other regions in various international studies. After controlling for economic and business environment variables, as well as for profitability and book-to-market variables at the industry level, we find evidence that supports neoclassical theory as a main explanation for M&A activity but not for the misvaluation effect. 相似文献
10.
近年来,我国牛奶加工产业有了迅猛发展,但也存在一些问题,如液态奶加工中的“过度加热”问题。本文通过对过度加热液态奶的判定模式进行探究,分析“过度加热”的危害,总结在液态奶加工中出现“过度加热”的原因,以促进液态奶合理加工,推动我国乳业健康发展。 相似文献