职业特征对中国城镇就业人员收入差别的影响(英文)

职业是决定就业人员劳动收入,继而影响居民收入差距程度的重要变量。本文利用国家统计局2005年全国1％人口抽样调查数据中的子样本,对职业与收入差别之间的关系做了经验分析,结果发现职业间收入差距可以解释城镇就业人员收入总体差距的12-17％。造成这种差别的主要原因有二：一是由于各职业对就业人员人力资本上的要求有差异,从而导致了职业间劳动要素报酬上的差异;二是劳动力市场、地区分割所带来的不同职业问人员自由流动的障碍,造成了这种收入差别。前一种原因强调了人力资本的作用,这应当是市场化改革的积极成效;而后一种原因反映的却是现阶段的市场化改革还不彻底。因此,为了缩小职业间不合理的收入差距,我们还应进一步深化改革,尽可能地排除由于市场、地区分割造成的不同职业间人员自由流动的障碍。     

中国股指期货对股票市场的流动性影响

随着中国股指期货的推出,股指期货对股票市场流动性的影响又成为一个新的课题。文章运用向量自回归(VAR)模型、Granger因果检验分析了中国股指期货对股票市场的流动性影响,检测了流动性溢价理论在中国股指期货市场的应用。最终得出结论,股票市场的买卖价差和期货现货基差之间存在双向的因果关系,即股票市场的流动性波动对投资股指期货的预期收益变化有重要的作用。     

一类污水处理项目的运营与排污者行为动态分析

本文针对污水处理项目运营风险高、企业偷排行为控制难问题,首先依据排污信息和排污价格的波动与否,构建了4种计算实验情景;然后针对各种情景分别设计了污水处理价格形成机制、居民和企业社会属性与行为的变化规则,分析了经济压力、社会影响以及政府监管对排污价格形成、排污者行为变化的影响;最后运用计算实验方法模拟了污水处理项目运营与排污者行为在4种情景下的动态变化。结果表明:合理的静态定价策略要优于运营商动态定价策略;动态外部环境既给污水处理项目的运营带来风险,又给政府对企业的监管带来不便;单纯的市场价格机制或政府监管机制很难有效控制偷排现象,也不一定能实现居民的节水减排,企业和运营商的逐利行为可能会使得目标落空。     

环境史视野下近现代云南城市化初探

近代云南的城市发展可追溯自19世纪中叶,在抗日战争期间云南的城市尤其是昆明蓬勃发展。从环境史视角探索云南城市化面临的问题及相关对策,是云南城市化过程中最相关的问题,也是推进云南城市环境史研究的契机。研究认为,1978年改革开放后,随着城市化战略的实施,云南的城市化也逐步推进;云南的地理环境、人口密度与人均国民生产量是城市发展的因素,云南城市的分布还具有地区差异与较强的环境因素,城市化及其环境发展是云南城市发展的策略与可持续发展的重要动力。     

Symbolic Boundaries and Collective Violence. A New Theoretical Argument for an Explanatory Sociology of Collective Violent Action

The sociology of violence still struggles with two critical questions: What motivates people to act violently on behalf of groups and how do they come to identify with the groups for which they act? Methodologically the article addresses these puzzling problems in favor of a relational sociology that argues against both micro‐ and macro‐reductionist accounts, while theoretically it proposes a twofold reorientation: first, it makes a plea for the so called cognitive turn in social theory; second, it proposes following praxeological accounts of social action that focus on the dynamic interpenetration of cognition and socio‐cultural practices. The argument is that symbolic boundaries constitute the “missing link” that allows for overcoming the micro‐macro gap in violence research: Symbolic boundaries can cause people's participation in collective violence by providing the essential relational resources for violent action and by triggering the cognitive/affective mechanisms necessary for social actors to become drawn into mobilization processes that can cause their engaging in coordinated attacks on sites across the boundary. The article offers a new theoretical argument by drawing on knowledge from violence research, social action theory and cognitive science allowing for a non‐reductionist theory of action that explains how and why people engage in collective violence.     

IT服务企业中文化对知识共享与创新行为关系的影响

在全球一体化进程加速、IT服务企业员工文化价值取向趋于多元化的背景下,有必要了解员工文化观念对企业的影响。本文研究员工的集体主义观念和权力距离观念对IT服务企业中知识共享与创新行为之间关系的影响。在北京、西安的具有不同文化特色的IT服务企业进行问卷调查,收集了484份问卷,运用SPSS及SmartPLS进行数据分析。研究结果表明:员工的集体主义观念增强时,知识共享对创新行为的影响会增加;权力距离增大时,知识共享对创新行为的影响会减弱。对实践的启示是:管理者应培养、提高员工的集体主义文化价值观;根据公司的企业文化特色,区分对待员工权力距离对知识共享与创新行为之间关系的影响作用。     

价值链攀升机理及重要影响因素研究——基于中国制造业区域面板数据的分析

By using panel data method to analyze the key influence factors that affect climbing-up in global value chains in different regions of China manufacturing industry based on Potter’s theory, this paper comes to a conclusion that FDI, international trade, technology innovation, industrial structure and other factors have significant effect on the manufacturing industry of China. The economic variables which correspond to each influence factor exhibit extremely uneven regional distribution. The paper also suggests the related industrial policies should be considered according to the different characteristics of regional manufacturing development     

U-Statistics based on spacings

In this paper, we investigate the asymptotic theory for U-statistics based on sample spacings, i.e. the gaps between successive observations. The usual asymptotic theory for U-statistics does not apply here because spacings are dependent variables. However, under the null hypothesis, the uniform spacings can be expressed as conditionally independent Exponential random variables. We exploit this idea to derive the relevant asymptotic theory both under the null hypothesis and under a sequence of close alternatives.The generalized Gini mean difference of the sample spacings is a prime example of a U-statistic of this type. We show that such a Gini spacings test is analogous to Rao's spacings test. We find the asymptotically locally most powerful test in this class, and it has the same efficacy as the Greenwood statistic.     

空间效率、外部性与区域收入差异研究

从空间效率和外部性的角度来探讨区域收入差异问题,以新经济地理学经典的工资方程为理论基础,利用中国2000-2009年30个省份的面板数据以及分位数回归的方法,检验了各种类型的市场潜能(金融外部性或空间效率)、就业密度(技术外部性)和地区工资的关系.研究发现:无论是全国样本还是分地区样本,市场潜能对地区工资的正向效应显著;在分样本中,就业密度外部性对地区工资具有“门槛”效应;除中西部地区,国外市场潜能(出口开放)和国内市场潜能之间具有明显的替代关系;不同分位点处,不同区域下的解释变量对于职工平均工资的影响具有鲜明的区域特征.