Distribution-free tests for comparing several treatments with a control

Abstract  In this paper we propose distribution-free treatments versus control tests for the one- and two-way classifications. The null distribution properties are shown to be equivalent to those of well-known statistics for which critical values have been extensively tabled. Asymptotic relative efficiencies with respect to corresponding normal theory competitors are derived and optimal designs for the allocation of experimental units to the treatments and control are obtained.     

国内煤炭企业采购物资分类方法初探——基于采购金额及需求稳定性的分类法

在参考了以往的ABC等物资分类方法基础上,提出了一种新的物资分类方法—ABCD四类分类法,探讨了煤炭企业供应商管理的方法,并以某煤炭公司的物资管理为例,阐述了四类法理论的应用。     

Boom, bust, and the poor: Poverty dynamics in the Middle East and North Africa, 1970–1999

This paper analyzes changes in poverty and inequality in the Middle East and North Africa. It finds that the structural relationship between poverty reduction, income growth and distribution is the same for MENA and other developing economies. Prior to 1985 rapid growth sharply reduced poverty. After 1985, despite very low income growth, a rising share of income accruing to the lowest quintile meant that the average income of the poor rose more rapidly than that of the non-poor. These unusual poverty dynamics were primarily due to international migration. Remittances both increased per capita incomes in labor exporting countries and increased the share of income accruing to the poor.     

Risk-based classification of supplier relationships

The management and exploitation of external resources has increased and become a new source of business success. This has given rise to various new risks and therefore increased the need for collaborative risk management and learning. The objective of this paper is to explore the differences in risk management and learning across supplier relationships classified through network risks. The paper provides a theoretical review of supplier relationships and risk management, as well as a survey-based empirical study conducted in one case company's supply network. A set of network risks and risk-management measures is developed by means of factor analysis, and a supplier classification by means of cluster analysis. According to the results, the exploitation of collaborative risk management and learning is highest among the most strategic supplier relationships. A classification typology based on suppliers’ opinions helps both parties in the relationship and enables the efficient exploitation of mutual risk management with collaborative learning as one of its keystones.     

综合物流企业基于J2EE的信息系统设计及实现

试用J2EE平台构建综合物流企业管理信息系统,使其具有灵活性、可伸缩性,更适应网络环境。     

浅析多媒体技术在车辆工程教学中的应用

随着教育的发展 ,传统的教学方法已不能满足时代的需要 ,亟待运用现代教育技术手段 ,特别是多媒体的教学形式进入课堂 ,以发挥其特有的功能来提高学习效率。本文浅淡了如何在车辆工程教学中运用计算机多媒体的图、文、声、像并茂的特点 ,有效的激发学生的学习兴趣。     

我国扶贫历程及其探索

我国扶贫工作在改革开放以后经历了三个阶段,今后扶贫工作面临新的挑战.根据我国扶贫工作需要,结合当前社区建设的发展,应采取农村社区扶贫这一扶贫方式,把扶贫开发与农村社区建设结合起来.     

跨文化词义的比较与翻译

词汇是语言符号和体言中的最小的有意义的语言载体,对跨文化词义的社会性、文化性、民族化、地理环境和喻体相异性、习俗的文化意义等进行比较,有助于跨文化翻译.采用异化法、异化解释法、归化法、归化意译法等方法,将翻译置于跨文化交际中进行,以达到跨文化交际中的文化效应最大近似或对应.     

加强和改进"两课"教学工作的探索和实践

"两课"是对大学生进行思想政治教育的主渠道和主阵地.我校重视加强和改进"两课"教学工作,推进"两课"建设和教学改革,形成"两课"教学的五个明显特色,促进了学生思想政治素质的提高和全面素质的发展.面对新形势、新任务、新要求,应发扬成绩,克服不足,进一步加强和改进"两课"教学工作.     

社会资本视角下的农村公共产品分类与供给主体责任研究

公共产品分类研究是明确其供给责任的前提,分类研究不足是我国公共产品供给责任不清的重要原因.对公共产品分类研究不仅从理论上全面明确反映了公共产品的内容与特征,而且在一定程度上确定了公共产品供给的主体责任.