基于社会网络分析的师范院校研究生信息交互分析

本文将研究生信息交互网络作为研究对象,以师范院校研究生交流网络为例,从研究生间交流和沟通的角度寻找并勾画出研究生之间交流网络的结构,同时运用社会网络分析方法对相应的参数和指标进行中心度分析、小团体分析和小世界效应的验证,以期从完善结构的角度促进研究生之间的信息沟通和交流。     

An Empirical Study of the Determinants of Foreign Investment in China: A Western Australian Perspective

The literature, regarding the determinants of inward foreign direct investment (FDI) in China, emphasizes national or regional inward FDI, and largely depends on secondary data. This study reports findings from the analysis of primary data provided by 43 managers of Western Australian companies that are either operating or planning to invest in China reveals market size, labor cost, and business ethics were important factors for promoting foreign investment to the Chinese marketplace; while gender, organizational size, and networking have potential to play a significant mediating role in investment decisions. These exploratory observations are a departure point for further investigations.     

Buying and selling information under competition

Markets for information products exhibit varying degrees of competition on both the supply and the demand side. This paper studies the potential complementarity of information products, equilibrium information buying behaviors and information price setting in such markets. Our game-theoretic model consists of two information providers selling imperfect information to two competing clients and allows for different information quality levels as well as varying degrees of client competition. Absent of client competition, information providers compete on the statistical properties of the information they supply (i.e., the accuracy of the information). The competitive price can be high because of potential complementarity among information products when these are not very reliable. However, this may change when the clients are competing against each other. We adopt a reduced-form model of buyer competition that reflects situations where information buyers face discrete alternatives. We find that a buyer gains more through information acquisition when its competitor is less informed, suggesting a first mover advantage in information acquisition. More importantly, we also find that intense client competition can make the information products more substitutable, resulting in a lower equilibrium price for information. Furthermore, this effect leads to harsh competition between information providers and consequently provides incentives for exclusive contracting. In summary, it is found that the “quality” of information has a very different impact on sellers’ profits depending on the degree of client competition.     

我国污染排放驱动因素的实证分析

文章基于对STIRPAT模型的扩展,将以关停并转、排污费等为代表的环境政策纳入环境压力驱动因素,利用省际面板数据,对各驱动因素对污染排放的影响进行分析.研究结果显示,人口数量的增加对单位GDP污染排放有反向作用,但会导致总体污染排放的增加;经济发展对单位GDP污染排放有较大的反向作用,对总体污染排放也有一定的反向作用,但效果不明显;技术水平的提高可对污染减排起到较大作用;重污染企业关停并转措施对总体污染排放影响较小,排污收费等环境经济政策对污染排放有抑制作用,但亟需通过完善以达到更好的效果.     

需求导向的企业技术创新能力成长理论

以8家重点工业企业(哈电、大唐电信、中国船舶、海尔、海信、奇瑞、长庆油田、鞍钢)为案例研究对象,系统探讨了需求在企业技术创新能力成长中的作用机理,提出需求导向的技术创新能力成长理论模型———"需求导向-实践积累-能力跃迁"模型。该模型包括以下3个命题:第一,需求导向是指企业主动把握需求带来的创新实践机会,这些机会来自需求宽度(国家战略需求、国际市场需求、国内市场需求和企业内部需求)和需求深度(首次需求、需求升级和创造需求)的不同组合及其动态变化;第二,企业技术创新能力的积累表现为能力宽度(整体产品/工艺技术能力)和能力深度(核心技术能力)的动态组合提升,这种积累是企业在技术创新核心过程的5个要素(技术来源、产品设计、工艺设计、生产/制造和自主品牌)的动态组合上进行持续实践的结果;第三,企业技术创新能力的积累可以形成向"主导产业链创新的能力"的跃迁,该能力的主导力量来源具有多样性,由整体产品/工艺技术能力、核心技术能力、自主品牌3个核心要素及其不同组合决定。     

中国环境规制、技术创新与碳排放量关系的动态分析——基于脉冲响应函数和方差分解法

作为最大的发展中国家,我国面临着经济发展和节能减排的双重困扰,低碳经济模式成为实现可持续发展的重要途径。以1994—2009年中国环境规制、技术创新与碳排放量数据为依据,利用脉冲响应函数与方差分解法对环境规制、技术创新与碳排放量在外部因素冲击下的动态响应态势进行测算,结果表明:在10年的响应期下,环境规制强度与碳排放量之间在对方冲击下的响应曲线呈N型,技术创新能力与碳排放量之间的相互响应曲线为N型和倒U型;环境规制强度与技术创新能力之间的相互响应曲线都为N型。     

改革以来中国贫困指数的测度与分析

贫困是一个全球性现象,世界各国政府都高度重视解决贫困问题。本文采用拟合收入分布函数的方法计算出改革以来中国城乡以及全国的绝对贫困线、绝对贫困率、相对贫困线、相对贫困率,发现改革以来我国的绝对贫困率快速下降,但目前绝对贫困形势依然不容乐观;相对贫困率则呈现出持续上升的趋势,并与相应的基尼系数变化趋势高度一致;绝对贫困率和相对贫困率的演变过程都与各个时期的经济体制改革进程存在密切的关系。     

传统山地建筑的生态价值评析——以滇南彝族土掌房为例

在当今全球低碳经济视野下,生态建筑已然成为建筑设计的一种必然趋势。而如何将传统建筑的生态价值合理的发掘、改进并创新,然后运用到现代建筑设计中,这更是值得我们去认真探讨的。通过对滇南彝族传统民居土掌房的生态价值分析和评价,总结出了土掌房的生态优势对现代山地建筑的借鉴意义,以此来为生态建筑设计提供设计思路。     

Regret theory and policy reform ∗

This paper offers an explanation of policy reforms undertaken in times of an economic crisis. Our explanation does not depend either on conflicts of interests between different socio-economic groups, or on the informational imperfection about the effectiveness of the current policy regime. The single decision maker in our model experiences regrets when the uncertain reform outcome is worse than the status quo. We show that an economic crisis which reduces the status-quo income makes the regret-experiencing decision maker more eager to undertake reforms in times of an economic crisis, despite the higher utility costs of adjustments.     

中国农民工城市融入的问题研究

农民工的城市融入是实现中国梦的重要途径,然而,农民工的城市融入受到人力资本、社会资本、心理资本、经济收入和制度资本的影响和制约。为了促进农民工的城市融入,政府和社会各界应加大教育投资,开展农民工职业培训,增强人力资本;搭建城乡互动平台,打破城乡互动壁垒,提升社会资本;促进城市认同,激发自信、乐观和希望,维护心理资本;促进就业,提高工资水平,增大经济收入;构建社会保障体系,创造制度资本。