An investigation of transformation-based prediction interval for the Weibull median life

Statistical inference based on the Weibull distribution, a distribution widely used in reliability and survival analysis, is usually difficult as it often involves numerical computation and approximation. However, this distribution can be transformed to near-normality by a simple power transformation. Based on this transformation, a prediction interval (PI) for its median can be easily constructed through an inverse transformation. The procedure for selecting the best power transformation through minimizing Kullback-Leibler information is described. The property of this transformation-based PI is investigated. Simple correction factors are also proposed. It is shown that the transformation-based PI with corrections performs well, irrespective of the sample size and parameter values. Simulation results show that the new PI generally outperforms the existing PI. Numerical examples are given for illustration.     

中小企业应对反倾销集群化战略的博弈分析

本文建立了博弈模型，对我国遭受了国外反倾销比重很大的中小企业如何应对反倾销提出了集群化发展战略，从理论上分析中小企业在选择单独进入和集群进入时不同的博弈结果，得出中小企业选择集群进入时，无论东道国企业选择起诉，或者不起诉均会选择留在市场，而且一旦东道国企业起诉对其造成的损失，会比容忍对方进入的损失大，这便对东道国企业构成了一个可置信的威胁，使得东道国企业只能选择容忍中小企业进入其市场的策略，达到在不完全信息下的子博弈精炼纳什均衡，这一结论对我国中小企业应对反倾销的集群化发展战略提供了理论依据。     

户籍歧视对劳动报酬差异的影响

在我国，户籍歧视是形成劳动力市场分割的重要原因，它不但通过阻碍劳动力流动造成城乡收入差异，也会促成农民工和城镇工人之间劳动报酬的差异。本文利用中国健康与营养调查（CHNS）多年的数据，对我国户籍歧视影响劳动报酬差异的程度进行计算和分析。结论表明，近几年户籍歧视现象并没有明显改观，政府在制定相应政策时，仍需关注这方面的问题。     

铁路资金结算中心的运作模式及相关问题探讨

铁路资金结算中心应当依托银行信息系统，更新管理模式，加大对资金集中管理的力度，发挥资金的整体效益，有效的降低资金成本，提高资金使用效率，加强对集团资金的监管，充分发挥资金结算中心在全面预算管理中预算监控的作用，为实现集团的战略目标提供服务。     

浅议中央银行沟通策略的选择

近十多年来,中央银行货币政策操作逐步从隐秘性转向开放和透明.中央银行与公众之间,不仅沟通内容日趋丰富,而且沟通渠道更加多样化.为了保持沟通的连贯性和一致性,提高沟通的有效性,中央银行必须实施明确的沟通策略.     

论城市文化资源的资本转化

城市化资源系统是一个复杂集合体。其集聚性与分散性同时并存；多层次性与整体性同时并存；物态型与非物态型同时并存。我们必须坚持因地制宜、整体与重点相结合、资本转化利用与资源保护相结合、聚集与整合相统一、经济效益与社会效益并举的原则，通过项目开发转化模式、化资源的单体开发转化模式、化节庆开发转化模式、运营商开发转化模式等具体途径。实现其城市资源的资本转化和价值增值。     

美国房地产投资证券化的组织模式及其借鉴

在我国实行房地产投资证券化既有市场需求，也有客观需要。美国是世界上最早实行不动产证券化的国家。美国不动产证券化的主要形式有“不动产投资信托”和“有限合伙“两种，并各具特点。我国应借鉴其合理因素，为加快不动产发展步伐提供制度支持。     

Modeling the day-of-the-week shopping activity and travel patterns

This research develops models that extend existing multi-day analyses of shopping activity patterns. The main hypothesis is that shopping activity choice behavior varies, depending on the day of the week. Using a nested logit model structure, this hypothesis is tested by developing models of daily activity choice behavior for each day of the week. In doing so, household activity choice behavior is represented by three stages, with a shopping activity participation decision as the highest stage, the scheduling decision as the next lower stage, and the number of shopping stops as the lowest stage. Empirical results confirm the nested logit model structure hypothesized in this study. Furthermore, it is found that major distinctions in the daily utility functions take place between the weekday and weekend models. However, differences among weekday models are also observed. This indicates that there appear to be behavioral differences even among weekdays although households are exposed to the same set of temporal constraints.     

产权观下我国企业会计目标构建问题研究

会计目标一直是西方会计界重点关注和研究的问题,近年来,我国会计理论界和实务界也对其投以越来越多的关注。本文试图从企业产权理论和制度变迁的角度,以利益相关者权益保护为主线研究会计目标,理清从受托责任观到决策有用观演进的必然性和合理性,并在分析英美、法德模式会计目标的差异后,结合当前我国会计准则国际趋同的背景,提出我国应确立以利益相关者权益保护为中心、以企业特征为导向、针对不同环境分别选择受托责任或决策有用为核心内容的会计目标构建思想。     

企业家·生命·周期及其价值提升研究

互企业家生命周期是指企业家所面临的一个从起步到成长、从成长到成熟、从成熟到衰退的过程。本文从分析企业家生命周期的内涵出发,探讨了影响企业家生命周期的因素,企业家生命周期与企业家价值之间的关系,得出可以通过优化企业家生命周期来提升企业家价值;最后提出了一些优化企业家生命周期的具体途径。