“十三五”期间我国经济——能源——环境系统变量发展预测

本文以动态可计算一般均衡模型为基础,2010年投入产出表延长表为基准数据,对“十三五”期间我国经济--能源--环境系统相关变量进行了预测。分析结果显示：“十三五”期间我国经济将实现新常态下的稳定适宜增长,GDP增速保持在65%左右,产业结构进一步优化,第三产业比重明显上升,第二产业明显下降。由于经济增长的原因,能源消费总量与碳排放总量依然较高,但能源消费结构进一步优化,碳排放强度明显降低,节能减排的形势依然比较严峻。     

Dynamic strategic groups: deriving spatial evolutionary paths

Recent theoretical developments in the domain of strategic groups, specifically those related to cognitive groups and strategic group identity, seem to suggest that strategic group membership is likely to be relatively stable over time and that firms in a strategic group co‐evolve. Yet appropriate data analytic approaches that use information about firms over time to identify stable strategic groups and their evolutionary paths have been lacking. To overcome such limitations, this research proposes a new clusterwise bilinear multidimensional scaling model that can simultaneously identify (1) the number of strategic groups, (2) the dimensions on which the strategic groups are based, and (3) the evolution of the strategy of these groups over time. Our discussion encompasses various alternative model specifications, together with model selection heuristics based on statistical information criteria. An illustration of the proposed methodology using data pertaining to strategic variables for a sample of public banks in the tristate area of New York, Ohio, and Pennsylvania across three time periods (1995, 1999, and 2003) identifies two underlying dimensions with five strategic groups that display very different evolutionary paths over time. Post hoc analysis shows pronounced differences in firm performance across the five derived strategic groups. This article concludes with a discussion of the implications of the findings, as well as potential future research directions. John Wiley & Sons, Ltd. Copyright © 2009 John Wiley & Sons, Ltd.     

地震检波器使用中应注意的几个问题

地震检波器是用于地震勘探的专用振动传感器,其性能对地震记录的品质有着重大影响。结合野外勘探对地震检波器的实际需求,探讨了检波器的假频,失真系数,允差,温度性能及可靠性等技术指标,为用户选用合适的检波器提供了更为完善的依据。     

International Housing Markets and the U.S. Subprime Crisis

We propose a novel decomposition approach to study the degree of co-movement of international housing markets while distinguishing among different economic drivers. We find that the housing market variability for an average country was mainly driven by the common housing risk premium components during the years leading up to the 2007–08 subprime financial crisis. A decrease in the common housing risk premium was followed by a housing boom and economic expansion in the United States prior to the crisis. Our findings add to the understanding of the role of common risk factors across international housing markets before the crisis.     

Revisiting the role of the environment in the capabilities–financial performance relationship: A meta‐analysis

Within the capabilities‐based view of the firm, there is debate about the relative importance of ordinary and dynamic capabilities for firm performance and about the extent to which their performance effects are contingent on environmental conditions. We meta‐analyze 115 studies to investigate the relationship between both ordinary and dynamic capabilities and the financial performance of firms in relatively stable versus changing environments. The results suggest that the performance effects of both types of capabilities are positive and similar in magnitude. Environmental dynamism reinforces the effects of both ordinary and dynamic capabilities. Furthermore, the two types of capabilities are closely associated. Our findings provide support for a moderate capabilities‐based view of the firm, rather than one that considers dynamic capabilities as superior to ordinary ones. Copyright © 2015 John Wiley & Sons, Ltd.     

供给侧改革对产业结构升级的空间效应研究——基于空间面板杜宾模型

本文构建了产业结构高级化和合理化的指标评价体系,从产业结构高级化和合理化两个维度衡量产业结构升级,并引入了地方政府基础建设类支出、科学支出、税收政策、国有化程度以及金融环境等变量,基于2001～2013年全国31省数据,建立空间面板杜宾模型,分析了供给侧改革对产业结构升级的空间效应。实证结果显示：总体上,基础建设类支出和税收政策对产业结构高级化和合理化均存在负向空间效应,不利于我国产业结构的升级;科技支出和金融业发展对产业结构高级化和合理化均存在正向空间效应,有助于我国产业结构的升级。特别的,国有化程度对产业结构高级化和合理化具有显著的正向空间溢出效应;基础建设类支出对产业结构高级化和合理化具有负向的空间溢出效应。     

丝绸之路经济带投资结构对产业结构调整的空间效应——以国内段为例

本文运用全国与丝绸之路经济带沿线9省区市2003～2014年的面板数据,通过建立空间计量模型,分析了投资结构对产业结构变动的空间效应。结果表明：（1）区域产业结构的变动存在显著的空间依赖性;（2）与全国比较,丝绸之路经济带投资结构对产业结构的调整具有显著的促进作用。非公共基础设施投资对产业结构合理化、高级化的积极作用最大,尤其是对西北地区产业结构合理化,西南地区高级化的作用较大,而对全国呈现出消极效应;（3）硬性基础设施投资对西北地区产业结构合理化和高级化的积极作用最明显,而软性基础设施投资对西南地区产业高级化的贡献较大。表明调整丝绸之路经济带投资结构能够提高本地和相邻地区产业结构的优化升级。     

企业员工知识分享媒介及其对工作效果的影响——以财会人员为例

通过对财会人员的访谈,将知识分享媒介划分成五种类型:各式书面信息、正式制度下的人际接触、正式制度下的信息科技、非正式制度下的人际接触以及非正式制度下的信息科技。一般企业在进行知识分享时会遇到知识流失与被盗取的障碍。知识分享媒介的性质不同,所能增进的工作效果亦有所不同。正式制度的人际接触是最普遍的,深获企业员工的好评,其所能增进的工作效果非常多元;非正式制度的信息科技,则视员工个人的使用习惯与学习态度而定,对于各项工作效果的提升情形差异很大。     

浅谈GPS实时动态技术在土地测量中的应用

GPS实时动态测量技术相比各种传统的测量技术和方法,有其独特的优点。本文通过介绍GPS实时动态技术的构造以及测量原理,分析了GPS实时动态技术在土地测量工作中的优势,并给出了GPS实时动态技术在实际测量工作中的应用方法。