A true simulation study of three estimators at equal protection of respondents in randomized response sampling

In this study, three different estimators for estimating the proportion of a sensitive attribute in survey sampling are compared at equal protection of the respondents. The three estimators considered are due to Odumade and Singh (2009, Comm. Statist. Theory Methods) , Singh and Sedory (2011, Sociological Methods and Research) and a new estimator obtained by minimizing a chi‐squared distance. A SAS Macro is developed to compare these three estimators using a simulation study at equal protection of the respondents. A set of data from a real face‐to‐face interview was collected using two decks of cards and has been analyzed. The results are discussed.     

Russian Competitiveness in the Global Economy

Abstract

Using data on Russia's competitiveness collected by our research team as part of the World Economic Forum's Global Competitiveness Report (GCR), literature on competitiveness, in particular Michael Porter's theories on economic development and competitiveness, and benchmarking data from the global competitiveness project for other countries, this paper analyzes Russia's comparative strengths in its macro and microeconomic competitiveness. We investigate Russia's movement in ranks over a three-year period, discussing Russia's strengths in its macroeconomic climate and the weaknesses of its institutions. We illustrate the effects of these on three-key growth industries in Russia: oil, IT outsourcing, and the food sector.     

财富的主体本质及其实现问题——从马克思的财富观看全球金融危机

马克思指出,财富的主体本质就是劳动,财富的主体本质实现就在于再生产人并实现为劳动。而人的"对象化了的劳动"——即物质财富成为主体(人)消费的对象,是人重新获得活动(劳动)的机体能力的基本前提。也就是说,财富只有作为人的消费的对象才成其为自身,财富的消费就是其本质的实现。而以资本积累为基础的扩大再生产,使财富不断远离自己的本质。财富的自我否定又直接导致货币贬值,进而出现危机。资本主义金融创新虽然借金融手段解决产品的过剩危机,让经济危机得以暂时缓解,但是同时积累了更多的资本结余问题,其突出表现就是把"产品过剩"直接表现为"资本过剩"。而当代金融危机的"过度消费",是建立在"借贷消费"基础上的,究其实质是非主体本质实现的财富生产。因此,危机是不能避免的,当前全球金融危机不过是资本主义生产中"资本过剩危机"的一个佐证而已,只有坚持马克思主义的分析才能看到危机的实质。     

Vertical Specialization and Trade Growth in Northeast Asia

As the global economy has become further integrated, the international production chain has become more sophisticated, with diversified stages of production located in different countries. Economic theorists have argued that the fragmentation of the global production chain is partly attributable to the high growth in international trade over the past several decades. In this study, we examine vertical specialization in China, Japan and Korea, and its contribution to these nations' trade. Using a multilevel model, it is illustrated that vertical specialization has encouraged increases in trade among all three countries. In particular, China's outcome is remarkable considering how recently it became a member of the WTO.     

外部经济冲击对我国进出口贸易的影响——基于新兴市场经济体的研究

本文从贸易和金融渠道对我国受到其他新兴经济体的外部冲击的可能性进行了评估,并借助GVAR(Global Vector Auto-Regressive)模型方法,考虑了世界各国的交互影响来分析新兴市场国家的宏观经济波动对中国进出口产生的影响。研究发现,区域内的新兴经济市场对我国影响更为显著,韩国、印度、中国香港发生宏观经济波动时对我国进出口贸易可能造成较大的影响。基本上,中国对外贸易对韩国遭受冲击后的反应快且大,但受影响时间较短,人民币汇率波动在应对外部冲击时发挥了一定作用。中国和印度贸易合作关系大于竞争关系。     

基于粒子群算法的证券组合投资模型的研究

从证券组合模型的概念,给出证券组合多目标决策模型。并用模糊优选法将证券组合多目标优化转化为单目标优化。同时,重点描述了粒子群算法,并采用自适应变异的粒子群算法对证券组合投资模型进行求解,最后编程实现证券组合模型的最优解,试验结果表明此方法取得了较好的效果。     

对澳大利亚国家旅游品牌全球营销策略分析

悉尼奥运会的成功举办,产生了巨大的“奥运品牌效应”,带动了澳大利亚经济,推动了其树立奥运旅游的战略目标及旅游品牌营销与传播的整合。树立与推广澳大利亚国家旅游品牌全球营销策略,可加快中国旅游品牌化进程。应借鉴澳对目标市场细分,目标市场的确定以及整合各种媒体新品牌营销活动的成功经验,实施奥运阶段品牌营销策略和奥运旅游地区品牌营销策略,为中国充分利用举办北京奥运会之机,促进中国旅游向品牌化进程发展奠定基础。     

中国城乡社会救助项目绩效评价研究——基于筹资水平的横向公平性分析

近30年来,我国社会经济体制逐步转型,新贫困群体出现。我国政府在20世纪90年代后对原有社会安全网框架进行了修补,建立起一套常规性社会救助项目,其绩效备受关注。横向公平性指标集中体现了社会救助的公平价值取向,超越了以往的经验型研究,是社会政策评估的新范式。文章以横向公平性为标准,以2003～2005年民政及各省统计年鉴数据为经验材料,对我国城乡社会安全网项目筹资水平的绩效做出评估,并为我国社会安全网项目的进一步发展提供经验证据。     

地域文化变迁的历史进程与趋势研究

地域文化的和谐是和谐社会的主要内涵之一,地域文化变迁是研究区域社会发展不可或缺的内容.重视研究地域文化及其变迁和发展趋势,能够对实现区域文化的和谐发展提供理论基础和实践指导.     

全球价值链视角下福建省产业集群的战略升级策略

经过十几年的发展,福建省产业集群初具规模并成为福建省区域经济发展的重要支柱,但从全球价值链视角看也面临着升级阻碍。以全球价值链视角分析了福建省产业集群战略升级中面临的问题,并基于链网互动探讨了福建省产业集群的战略升级策略。