商业银行收入结构对盈利能力的影响研究——基于中国14家上市银行面板数据的分析

银行业的激烈竞争使得利息收入业务对银行利润增长的贡献有限,越来越多的银行开始积极拓展服务,开辟非利息收入来源.本文基于中国14家上市商业银行2008-2010年季度数据,定量分析了商业银行收入结构对盈利能力的影响.结果表明,商业银行的非利息收入占比(手续费及佣金收入占比)和净息差对银行的盈利能力的影响都是正向的.商业银行在优化收入结构时必须控制成本费用才能使银行的盈利能力不断提高.国有控股银行的非利息收入占比要远远高于其它商业银行,且与盈利性成正向关系.全国性股份制商业银行和城市商业银行的非利息业务还很不完善,收入结构与盈利能力的回归系数不显著.商业银行盈利能力与宏观经济表现出一致的增长性.适中的银行规模能促进银行盈利能力的提高.     

Semi-online scheduling on two identical machines with rejection

In this paper we consider two semi-online scheduling problems with rejection on two identical machines. A sequence of independent jobs are given and each job is characterized by its size (processing time) and its penalty, in the sense that, jobs arrive one by one and can be either rejected by paying a certain penalty or assigned to some machine. No preemption is allowed. The objective is to minimize the sum of the makespan of schedule, which is yielded by all accepted jobs and the total penalties of all rejected ones. In the first problem one can reassign several scheduled jobs in rejection tache, in the second a buffer with length k is available in rejection tache. Two optimal algorithms both with competitive ratio $\frac{3}{2}$ are presented.     

中国银行业改革对中资银行效率变化的影响

2003 年以来,中国政府加快了银行业改革的步伐,先后采取了剥离不良资产、财务重组与股份制改造、引进境外战略投资者、公开上市等一系列改革措施． 文中采用数据包络分析 (DEA)方法对32家中资商业银行2002—2008年的各种效率指标进行了估计和比较研究． 研究结果表明,通过近几年的改革,中资商业银行的整体效率虽然有较大程度的提高,但国有大型银行的效率仍然最低; 虽然针对国有大型银行的资产重组和股份制改革没有缩小与股份制银行及城商行在效率方面的差距,但剥离不良资产的行为却带来了技术效率的提高,而政府鼓励引进的境外战略投资者又促使中资商业银行提高了其资源配置效率． 整体而言,中国银行业的改革显著提高了中资银行总的成本效率．     

组织学习影响组织创造力的知识获取路径研究

为了探明组织学习方式与组织创造力之间的相关关系,基于知识的基础观理论,尝试从外部知识获取的视角出发,探索组织学习方式与组织创造力之间的内在机理,根据市场知识与技术知识信息偏重的不同,构建组织学习方式影响组织创造力的外部知识获取路径.采用问卷调查收集275个有效的企业样本,运用结构方程模型方法对样本数据进行统计分析.研究结果表明,探索式学习通过影响市场知识获取进而推动技术知识获取,最终影响组织创造力的作用路径,利用式学习则主要通过对技术知识获取的促进影响组织创造力,技术知识和市场知识获取在组织学习影响组织创造力过程中扮演不同的中介角色,探索式学习能更有效地推动外部知识获取,从而对组织创造力产生影响.     

基于两种信任违背类型的信任修复策略研究

在以往研究的基础上,修订了现有的人际信任修复问卷,对企业内人际信任修复策略进行实证研究。研究结果表明,对于能力型信任违背,道歉、道歉加承诺要比否认和否认加承诺的信任修复效果好;对于能力型信任违背,道歉加承诺要比单纯道歉的信任修复效果好;对于正直型信任违背,道歉加承诺要比否认和否认加承诺的信任修复效果好。     

Multiobjective optimisation of production,distribution and capacity planning of global supply chains in the process industry

The performance of a supply chain should usually be measured by multiple criteria. We address production, distribution and capacity planning of global supply chains considering cost, responsiveness and customer service level simultaneously. A multiobjective mixed-integer linear programming (MILP) approach is developed with total cost, total flow time and total lost sales as key objectives. Also, two strategies to expand the formulation plants’ capacities are considered in the model. The ε-constraint method and lexicographic minimax method are used as solution approaches to tackle the multiobjective problem. Finally, a numerical example is investigated to demonstrate the applicability of the proposed model and solution approaches.     

Gambling Reputation: Repeated Bargaining With Outside Options

We study the role of incomplete information and outside options in determining bargaining postures and surplus division in repeated bargaining between a long‐run player and a sequence of short‐run players. The outside option is not only a disagreement point, but reveals information privately held by the long‐run player. In equilibrium, the uninformed short‐run players' offers do not always respond to changes in reputation and the informed long‐run player's payoffs are discontinuous. The long‐run player invokes inefficient random outside options repeatedly to build reputation to a level where the subsequent short‐run players succumb to his extraction of a larger payoff, but he also runs the risk of losing reputation and relinquishing bargaining power. We investigate equilibrium properties when the discount factor goes to 1 and when the informativeness of outside options diffuses. In both cases, bargaining outcomes become more inefficient and the limit reputation‐building probabilities are interior.     

Land‐Price Dynamics and Macroeconomic Fluctuations

We argue that positive co‐movements between land prices and business investment are a driving force behind the broad impact of land‐price dynamics on the macroeconomy. We develop an economic mechanism that captures the co‐movements by incorporating two key features into a DSGE model: We introduce land as a collateral asset in firms' credit constraints, and we identify a shock that drives most of the observed fluctuations in land prices. Our estimates imply that these two features combine to generate an empirically important mechanism that amplifies and propagates macroeconomic fluctuations through the joint dynamics of land prices and business investment.     

现代企业组织制度中的委托─代理关系

现代企业组织制度中存在一系列委托─代理关系,基于所有权和经营权相分离的委托─代理制既是必要的,有效的,又存在着委托人和代理人的效用函数不同的矛盾。西方管理学家对委托人目标和代理人效用函数的不一致性进行了研究,提出了委托─代理理论。本文简要介绍这一理论,并从对代理人的考核评价和奖惩、实行目标管理、培育企业文化以及建设正常运行的市场四个方面,论述了建立健全激励─约束机制,改善委托─代理关系的途径。     

资源环境约束下中国TFP增长的空间差异和影响因素

运用DDF模型和ML生产率指数,对中国分省资源环境约束下的区域全要素生产率进行测算,采用Theil指数测算资源环境约束下中国全要素生产率增长的地区差异并按照多种空间尺度进行区域分解;构建空间面板数据模型,采用广义空间面板自回归最小二乘法对资源环境约束下全要素生产率增长的影响因素进行实证研究。研究结果表明,在2010年之前,资源环境约束下中国全要素生产率增长的空间差异总体上呈下降态势,地区内而非地区间差距是造成总体空间差异的主要来源。空间计量模型回归估计结果表明,资源环境约束下全要素生产率增长存在显著的正向空间溢出效应,经济发展水平、贸易开放和科技创新水平对资源环境约束下全要素生产率增长存在显著的促进作用,产业结构、能源结构和要素禀赋结构等结构因素对全要素生产率增长存在显著的负向影响,外商直接投资和环境规制水平对全要素生产率增长的影响在统计上并不显著。