Financial development and private investment in Sub-Saharan Africa

This study examines the relationship between financial sector development and private investment in Sub-Saharan Africa. It uses panel data covering the period 1991-2004 from 18 countries in Africa. The main findings of the study are as follows: there is a negative relationship between interest rate and private investment, signaling large interest rate spreads in African economies. It is also found that both the credit to the private sector and the turnover ratio have significant relationships with private investment. However, the effect of turnover ratio on investment is insignificant. The insignificance of the stock market indicator reflects the low stage of stock market development in most of the African economies. In addition, it is found that the informal sector is still large and has positive effects on private investment and that institutional variables play a key role in determining the level of private investment in Africa.     

Analyzing air cargo flows of international routes: an empirical study of Taiwan Taoyuan International Airport

Air cargo demand is an important aspect of the operation and planning of private and public agencies responsible for airports. While most existing studies in this field include only geo-economic characteristics of airports and their hinterlands as explanatory variables, this study develops a gravity model of air cargo flows by trying to incorporate more factors that might influence international air cargo flows of an airport. The model is developed based on the panel data of air cargo services on scheduled routes at Taiwan Taoyuan International Airport during the years 2004-2007. The results indicate that population, air freight rate and three dummy variables, including the regional economic bloc of the “Chinese Circle”(an informal partnership between Hong Kong, Macao, Taiwan and mainland China), the Open Sky Agreements and long established colonial links, are key determinants of international air cargo flows from/to Taiwan. These results suggest a wider array of factors needs to be considered in policy.     

中南五省流通业的发展和经济增长相关性分析——基于面板协整、因果检验方法

本文利用面板协整检验、格兰杰因果检验模型,对中南五省的国内生产总值、批发零售和餐饮业之间的协整、格兰杰因果关系进行检验,研究结果表明：国内生产总值和批发零售、国内生产总值和餐饮业之间存在长期稳定的协整关系;各省的餐饮业、批发零售业对GDP的增长存在显著的促进作用,并且促进程度在各省之间存在明显的差异,其中沿海两省远远高于内地三省;地理位置的空间差异对餐饮业、批发零售业对GDP的长期影响程度存在明显性影响。中南五省整体的面板协整方程估计结果同样表明,批发零售业和餐饮业的发展,促进了各省GDP的增长。     

基于动态AHP的企业信息化水平评价——江苏沙钢集团信息化水平案例研究

文章运用动态AHP方法研究企业信息化的发展过程,并结合江苏省沙钢集团企业信息化发展的案例,根据信息化五阶段模型,判断该企业信息化所处的发展阶段,继而对沙钢集团信息化发展提出战略性建议。希望不仅对沙钢集团有指导和推动作用,对其他企业的信息化发展也有启示和帮助。     

Convergence and divergence in regional agricultural productivity growth: evidence from Italian regions, 1951–2002

This article analyzes long‐term agricultural Total Factor Productivity (TFP) growth at regional level by testing its time‐series properties and identifying factors associated with divergence as opposed to convergence. The empirical application concerns Italian regions over the 1951–2002 time period. TFP growth decomposition ultimately attributes the observed productivity growth performance to these contrasting (convergence vs. divergence) forces. We find that technological spillovers are the key convergence force regardless of how the spillover effects are computed. At the same time, forces favoring convergence are almost offset by divergence forces (mainly scale or learning effects). This decomposition may explain the persistence of TFP growth rate differences in Italian agriculture, and could be applicable elsewhere.     

我国各省区市金融发展的经济增长效应分析——基于面板数据的时变趋势与区域特征分析

基于31个省区市1994-2005年的经济金融面板数据的实证分析发现.金融规模扩张、结构优化、效率提升确实有助于促进经济增长,且效率提升比规模扩张更有助于促进地区经济增长.金融发展的经济增长效应存在着区域差异,且受各省区市的地区性基础或禀赋因素的影响较大.随着金融体制改革的推进,各地区金融发展对经济发展的适应性逐步增强,但仍受到金融体制的约束,需要进一步深化改革,加快发展.为此,要充分发挥中央政府主导金融制度供给与创新、地方政府主导当地金融生态建设和市场主导金融资源配置的基础性作用,将统筹区域金融协调发展与部分省区市金融率先发展有机统一起来.     

产品内分工视角下中美贸易失衡中的贸易利益研究

中美双边贸易中中方的巨额贸易顺差是否使中方获得了同样的贸易利益,一直是中美两国争论的焦点问题之一。本文在产品内分工框架内,构建了双边贸易利益分配的理论模型,使用面板协整对1997-2009年中美双边8个主要制造业部门的贸易利得进行实证分析。结果表明,美国依靠比较优势和垄断优势占据了产品价值链两端高附加值环节,而中国承担低附加值的中间环节;中美贸易失衡背后的利益流向并没有与贸易差额一致,中国在中美产品内贸易中获利微薄。因此,我国应该努力提升产业结构,提高自主创新能力,力求锁定在附加值高的环节,以赢得更多的国际贸易利益。     

基于企业动态联盟的界面管理研究

界面管理是企业管理创新研究的新趋向,动态联盟是近年来企业组织关系中最重要的制度创新,本文将界面管理概念引入动态联盟组织模式中,分析了影响动态联盟界面整合的四个关键要素,并简要地指出了动态联盟界面管理有待进一步深入的研究方向。     

城市轨道交通相邻多车站动态协同限流研究

为应对城市轨道交通车站高峰期客流压力,限流已经成为常态应对措施,而经常采用的限流策略大多针对单个车站,缺少对相邻多个车站的协同考虑。基于客流在车站间的传播效应,以乘客总延误时间最小为目标,以站台及列车能力为约束条件,构建城市轨道交通相邻多车站协同限流决策模型,同时为实现实时动态控制,引入滚动时域控制方法,优化多车站动态协同限流流程。以北京地铁8号线为例,经过相邻若干车站运营数据进行限流策略计算。结果表明,该模型限流可以在不造成车站服务人数损失的同时,将乘客总延误时间降低21%。     

Relationship learning: A conduit for internationalization

Internationalization opportunities can emerge through inter-organizational sharing, yet research on why and how organizations learn through relationship interactions is underdeveloped. We explore how learning in supplier-customer relationships contributes to organizational offerings through the knowledge development process. We identify relationship learning as an organizational dynamic capability by thematic analysis of qualitative longitudinal data from large as well as small and medium-sized organizations. Our case study of organizations demonstrates that nurturing personal relationships and paying attention to customer communication is core in knowledge sharing. Customer input is valuable in solution offerings, strengthening mutual work, and growth in internationalization within an existing relationship or in new ones. The results endorse that the knowledge development processes and commitments transpire at both ends of the relationship. The findings provide practical managerial implications for ensuring the development of open and transparent communication conduits in relationships. The process of providing a solution that addresses customers' needs must begin with understanding their work, issues, and the intended jobs they will perform.