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Martin Wittenberg 《The South African journal of economics. Suid-afrikaanse tydskrif vir ekonomie》2006,74(4):766-768
The on‐line electronic documentation supplied with the 1994 October Household Survey by the South African Data Archive (SADA) appears to be incorrect. In particular, the electronic version of the questionnaire does not correspond to the hard copy in the possession of the author. The most serious error is that the race classification in the electronic copy is different from the classification on the hard copy. Researchers relying on the electronic copy will erroneously interchange the categories “Coloured”, “White” and “Black”. This could lead to seriously misleading analyses. The reason for this mistake can probably be attributed to a retyping of the questionnaire using the 1993 OHS as a template. 相似文献
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长三角居民赴韩旅游消费模式初探 总被引:7,自引:0,他引:7
在实证研究的基础上从出游认知、消费构成、消费评价和消费趋势进行分析,探讨了长三角地区居民赴韩旅游消费模式。研究表明,长三角地区居民赴韩旅游出游认知和消费构成亦处于初级阶段,对消费评价和消费倾向大体上持肯定态度和乐观态度。 相似文献
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中韩自由贸易区的可行性与障碍分析 总被引:2,自引:0,他引:2
中韩自由贸易区作为推动中日韩乃至整个东亚地区经济合作的有效途径,它的建立十分重要.在建立中韩自由贸易区是必要的这一前提下,从中韩政界和企业界的态度、经贸文化交流、经济互补性和建立后的贸易效应四方面论证建立中韩自由贸易区是可行的;同时,指出建立中韩自由贸易区的障碍并提出了相应的对策. 相似文献
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Internet Protocol Television (IPTV), the convergence services of television and Internet, is being rapidly developed around the world. The advent of digital technologies has changed the convergence market dramatically with the wide diffusion of the convergent services. Using the Technology Acceptance Model as a conceptual framework and method of logistic regression, this research analyzes the demand for IPTV by drawing data from 452 consumers. Individuals' responses to questions about whether they accept IPTV are collected and combined with observations of their socio-economic status and intrinsic/extrinsic factors modified from the Technology Acceptance Model. Results of logistic regression show two variables (intrinsic and extrinsic factors) that seem to explain what influences consumer behavior towards adopting IPTV. Overall, the logistic regression model explains over 50% of the variance in the IPTV adoption. The variances shed light on the multi-open platform environment that IPTV will forge. 相似文献
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Charles C. Okeahalam 《International Review of Applied Economics》2007,21(5):669-685
Indicators of market power can be ambiguous because cost economies associated with scale and not market imperfections may influence results. This article illustrates that without direct measures of concentration, estimates of costs, scale economies and profitability can be used to identify market power in banking. Secondly, via this method, econometric estimates provide meaningful evidence of market power in the South African banking sector over the study sample period (1979–1998). A reasonable conclusion is that while industrial structure is important, careful consideration needs to be given to cost economies and profitability when assessing market power. In addition, there is a need to consider appropriate policy to reduce market power in banking in South Africa. 相似文献
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This note analyses the effect of the policy of tightening Intellectual Property Rights (IPR) on the rate of innovation in
the North and on the welfare in both North and South in a model which is otherwise identical to Helpman (1993) except in the
concept of knowledge capital. We assume that the South based imitated products do not contribute to the knowledge capital
in the North. It is shown that the tightening of IPR raises the rate of innovation in the North and may improve the welfare
of both North and South. These results are significantly different from those in Helpman (1993). 相似文献
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