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Arega D. Alene Abebe Menkir S. O. Ajala B. Badu-Apraku A. S. Olanrewaju V. M. Manyong Abdou Ndiaye 《Agricultural Economics》2009,40(5):535-550
This article assembles the results of three multicountry surveys on variety performance and adoption patterns to measure the impacts of maize research in West and Central Africa from 1981 to 2005, and uses cost data since 1971 to compute social rates of return on public investments in maize research in the region. Adoption of modern varieties increased from less than 5% of the maize area in the 1970s to about 60% in 2005, yielding an aggregate rate of return on research and development (R&D) investment of 43%. The estimated number of people moved out of poverty through adoption of new maize varieties rose gradually in the 1980s to more than one million people per year since the mid 1990s. Over half of these impacts can be attributed to international maize research at IITA and CIMMYT. The article concludes with a discussion of strategic options to enhance the impacts of maize research in the region. 相似文献
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Desislava Kolarova Asel Samaganova Ivan Samson Patrick Ternaux 《The Service Industries Journal》2013,33(8):873-888
The paper investigates the potentials of ICT in Russia for tackling the challenges of huge territory, strong regional disparities, segmentation of economic space and over-centralisation by Moscow. The Internet currently imposes a definite regional discrimination in Russia based on complex criteria, which are not limited to household incomes. After initial polarisation in Moscow and Saint Petersburg, Internet use is now concentrated in a dozen Russian regions, marking a shift to polycentric polarisation, but Internet service activities remain concentrated in Western Russia. A new wave of centrifugal trends is starting thanks to offshore outsourcing in software development, in which Russia is preferred to China and India. 相似文献
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Organizations require guidance on the most effective functional areas in which to invest in order to improve and sustain environmental performance. As managerial practices progress from concerns with compliance towards practices seeking competitive advantage, more theory is needed regarding the manner in which corporate strategy and operational practices influence environmental performance. This research considers the potential for previously under‐researched complementarities between strategy and operations and the bridging role of environmentally specific practices such as the use of environmental experts as determinants of environmental performance. Using a sample of manufacturing firms, this study explores the relative contribution to environmental performance of strategic intentions, core operational practices such as data and quality management and environmentally specific practices that link strategy to operations. The most significant influence on environmental performance was found to be environmental expertise – which creates a bridge between strategy and operations – and information‐intensive practices such as quality and data management. Strategic intentions or core operational practices in isolation were not considered sufficient support to successfully maintain or improve environmental performance. This research provides a contribution to our understanding of interactions between those functions that have the greatest influence on environmental performance management in manufacturing firms. Copyright © 2008 John Wiley & Sons, Ltd and ERP Environment. 相似文献
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This paper outlines a framework that links knowledge strategy and knowledge capabilities in a similar way as prior studies for the more generic concepts of strategy and capabilities. Existing theory in knowledge strategy is fragmented and focused on competitive positioning. We utilize concepts of good strategic management and the theory of the firm to place knowledge strategy on a more theoretically sound basis. This expands knowledge strategy beyond competitive positioning to include internal organization and the boundaries of the firm. This expanded view of knowledge strategy is compared to a conceptualization of knowledge capabilities that focuses on different capabilities for internal, collaborative and competitive situations. Using this perspective highlights the interconnection between knowledge capabilities and knowledge strategy—they are often jointly determined. It also provides a basis for integrating competence- and knowledge-based views of the firm in an empirically testable model. Suggestions for further research are proposed. 相似文献
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Impact of the Emerging Financial Holding Company Model on Small Business Borrowers' Financial Welfare: Contemporary Evidence from Nigeria Based on the Monti‐Klein Approach
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Cosmas Ikechukwu Asogwa Anthonia Uju Uzuagu Godwin Keres Okoro Okereke Hyginus Omeje Samson Ige Abolarinwa Roseline Nkemakolam Azubuike Joseph Ndozianyichukwu Chukwuma 《Revue africaine de developpement》2018,30(1):56-70
This study exploits the adequacy of the Monti‐Klein model to analyse the banking firms' lending behaviour and uses the geometric lag analytic model to detect the lifespan of bank conglomeration impacts on small business financial welfare. We find that, although the impact of emerging conglomerate banks on lending to small businesses is significantly negative (δ = ?0.6897; p < 0.01), the effect reverses to a pre‐conglomerate positive status within one year. Hence, bank conglomeration does not negatively affect the financial welfare of small business borrowers in the long run. Contrary to the widespread belief and fear, the negative effects are not permanent. Large banks are feared to have no time for mid‐sized businesses. We find, however, that mere increases in size, as may be caused by economic or internal growth, do not pose a threat to small businesses. Large‐sized banking firms positively and significantly correlate with small and predictable risks (δ = 1.7935; p < 0.01). Hence, contrary to what regulators fear, there is no real issue surrounding the idea that building diversifying banks will influence small business loans negatively. What matters is the means through which large banks emerge. Therefore, regulators ought to exercise caution so that they do not discourage their emergence. 相似文献