Nonlinear Drift And Stochastic Volatility: An Empirical Investigation Of Short-Term Interest Rate Models

In this article I provide new evidence on the role of nonlinear drift and stochastic volatility in interest rate modeling. I compare various model specifications for the short‐term interest rate using the data from five countries. I find that modeling the stochastic volatility in the short rate is far more important than specifying the shape of the drift function. The empirical support for nonlinear drift is weak with or without the stochastic volatility factor. Although a linear drift stochastic volatility model fits the international data well, I find that the level effect differs across countries.     

论老工业基地对地方经济的作用——以洛阳市为例

本文以洛阳为例,用实证的方法探讨了以装备制造业为主体的洛阳老工业基地在河南省工业经济中的重要作用,提出并分析了洛阳老工业基地在地方经济中,具有城镇化水平提高的带动作用、对农业现代化的促进作用和对全面建设小康社会与中原崛起的促进作用。     

Can Chinese Discuss Conflicts Openly? Field and Experimental Studies of Face Dynamics in China

Chinese people have been theorized to be particularly sensitive to social face and avoid direct discussion in conflict to promote interpersonal harmony. Social face has been used to explain the proclivity of East Asians to smooth over conflict. More research is needed to study social face empirically and its relationship with direct discussion and the processes by which social face has its impact. Results from a field interview study and an experiment conducted in China support theorizing that confirmation of face induces cooperative goals and open-mindedness. In contrast with common assumptions about Chinese organizations, direct discussion, compared to avoiding, strengthened relationships. Direct controversy, especially when face was confirmed, induced open-mindedness: Participants asked more questions, explored the opposing views, demonstrated more knowledge of the opposing arguments, and worked to integrate views. These results were interpreted as suggesting that Chinese people can discuss their conflicts directly and cooperatively when they are assured that their face is confirmed. Results have implications both for the general theory of cooperation and competition as well as our understanding of social face in China.     

发展现代物流开掘新的利润源

随着经济的全球化，现代物流业在国内已逢勃发展，通过大量的资料和数据，说明了现代物流业已成为国民经济的重要支撑点，是新的“利润源泉”，指出了我国如何加快现代物流业的举措。     

标准化在油藏监测工作中的作用

以油藏监测工作中的油藏压力监测为例，介绍了标准化工作在压力资料录取及解释分析中的作用。并用实例说明了标准化作业在油田开发方案的制定及油藏压力监测中的应用。     

浅析90年代以来日本"流通革命"的原因

90年代以后日本流通业进入激烈变革时期，这种变革是二战以来的第二次流通革命。流通革命改变了日本流通体系和结构，流通企业和生产企业之间的重组日益流行，流通运营方式正在发生变化，因此流通革命将对日本经济产生重要影响。导致日本流通革命的原因很多，主要表现在价格破坏、定价体制改变、进口增加、购买方式变化、流通自由化、产销同盟和信息化等方面的原因。对这些原因及其背景的分析也反映了当今日本经济的概貌和面临的课题。     

西部大开发中的生态旅游业发展

2000年中国政府实施了西部大开发战略，几平所有西部省、市、区都将旅游产业作为支柱产业发展，奠中大部分地区为实现“双赢”提出发展生态旅游业。因此，生态旅游资源的开发已成为推动西部地区经济发展的一项重大政策和支柱性产业。     

The mean-variance investment problem in a constrained financial market

This paper extends the mean-variance analysis and the two-fund separation theorem to a market with some constraints, such as, the incompleteness, prohibition of short-selling, and partial information, with stochastic interest rate, and with stochastic volatility for risky assets. By maximizing a quadratic utility of terminal wealth, we show that the efficient frontier for the problem is a straight line in the mean-standard-deviation diagram. The quadratic utility function exhibits mean-variance efficiency. Our results apply to portfolios of claims in a single period, multiperiod, and continuous time.     

审计抽样

1. Comparison of statistical andnonstatistical samplingA sample is said to be nonstatistical(or judgmental) when the auditors esti-mate sampling risk by using professionaljudgment rather than by using statisticaltechniques. This is not to say thatnonstatistical samples are carelessly se-lected samples. Indeed, both nonstatisticaland statistical audit samples should beselected in a way that they may be ex-pected to allow the auditor to draw validinferences about the population. Inaddition, t…     

政府公职人员经济人性边界界定与启示

政府公职人员是特殊经济人,并且从"经济人"角度、从历史性角度、从社会契约论角度、从初始社会分工及分工发展过程角度看,政府公职人员经济人性应有必要的边界。其经济人性发挥应符合作用空间的"非市场性"、经济人性范围的日趋"紧缩性"、经济人性目标满足渠道的"单一性"及较强的"社会性"这些内在规律。把握这些规律,可有效地建立针对政府公职人员的约束机制和非市场性的竞争机制,还可有效地促进民主发展,这对提升基本公共服务综合绩效及构建和谐社会都具有重要意义。