Another look at long memory in common stock returns

We apply the modified rescaled range test to the return series of 1,952 common stocks. The results indicate that long memory is not a widespread characteristic of these stocks. But logit models of the event of a test rejection reveal that rejections are linked to firms with large risk-adjusted average returns. The maximal moment of a return distribution is also found to influence the event of a rejection, but not in a way suggestive of moment-condition failure. Evidence suggestive of survivorship bias is also uncovered. We conclude that there is some evidence consistent with persistent long memory in the returns of a small proportion of stocks.     

Corporate governance in a major British holding company: BSA in the interwar years

This paper uses a case study of BSA to examine corporate governance in a holding company during the interwar years. Recognised as generally progressive in its policy towards financial disclosure, nevertheless BSA attracted hostile criticism from its shareholders, showed little evidence of developing administrative coordination and provided limited detailed information concerning the performance of its subsidiaries. Voice did have an effect in changing the pattern of financial reporting, but even under the pressure of its banker, when financial circumstances deteriorated in the early 1930s, BSA was only prepared to change personnel while organisational structures remained in place.     

Collectivist values for learning in organizational relationships in China: the role of trust and vertical coordination

Partners must engage in integrative interaction in order to combine diverse expertise and experiences into effective learning. Results from 103 pairs of customer and supplier organizations in China indicate that trust and vertical coordination are useful ways to characterize this integrative interaction and together they promote learning. Structural equation analysis suggests that collectivist but not individualist values are important foundations for integrative interaction between partners that result in learning. These findings were interpreted as reaffirming the value of effective relationships for coordination between partners and suggesting that collectivist values can be a source of effective organizational relationships.     

An investigation into the mediating role of cross-functional coordination on the linkage between organizational norms and SCM performance

Organizational norms as a set of embedded values and beliefs have long been recognized in literature to provide norms that bind individuals into collectivities. Drawing on resource dependence and relational marketing theories, the present study specifies five organizational norms: cooperative, cross-functional information sharing, intraorganizational knowledge sharing, participative culture and mutual trust for supporting cross-functional coordination in supply chain management (SCM). These organizational norms are examined in terms of the mediating role of cross-functional coordination for the relationship between organizational norms and supply chain performance. Analyses of data from a survey of high-tech firms in the U.K. substantiate that organizational norms impact on both supply chain responsiveness and firm performance through cross-functional coordination as a mediator. The implications of the positive effect of organizational norms on SCM performance are discussed for theory, practice and research.     

中美邀请言语行为对比研究

邀请言语行为是语言中不可缺少的部分,对于日常交际有着一定的影响;邀请言语行为与民族文化有着密切的联系,体现出不同民族的文化特色,遵循着不同的民族礼貌规范;不了解邀请言语行为的规范及其背后的民族文化,就会导致跨文化交际失误;外语教学中培养学生得体的邀请言语行为能力,可以帮助他们减少语用失误。     

当前我国国内横向税收竞争的实证分析

目前我国理论研究的不足阻碍了对现实生活中各类税收竞争问题的有效治理。为此,着眼于我国国内横向税收竞争的实践,对其进行总结和归类,剖析其背后的体制与制度原因,评价其经济效应,并由此提出促进我国国内横向税收有序发展的政策措施是必要的。     

财政国库管理制度改革对政府财务行政改革的推动作用

当前我国行政管理体制改革和财政国库管理制度改革正在稳步地推进,按照十六届三中全会的精神,我国的改革已到了整体协调推进的新时期.而财政国库管理制度改革是为政府行政提供资金的一项制度保证,其本身就是政府的一项财务行政活动,因此,财政国库管理制度改革作为我国财政领域的一项重要的制度创新,必将对我国的政府财务行政改革产生深远的影响.     

天然气管线冲刷破损失效分析

某燃气公司一段埋地高压天然气输送管线某处发生严重破损，为分析失效原因，作者采用宏观形貌分析、扫描电镜分析、化学成分分析、显微组织分析、力学性能检验、Fluent模拟分析等系列方法对该失效管段进行分析。结果表明，与该天然气管近距离平行铺设的自来水供水管道破裂，导致高速水流正面与切向冲刷作用，最终导致天然气管破裂。根据分析结论，提出了预防同类事故发生的建议。     

Multi-sectoral interdependencies of regional public infrastructure investments

Public investment decision-making processes involve multiple and interrelated sectoral and regional policy objectives and budget constraints. This paper presents a dynamic spatio-economic model that considers multi-sectoral investment interdependencies using data at the prefecture level in Greece. The expenditure allocation dynamics of most types of regional public investment are found to be competitive with each other. This outcome is attributed to the lack of policy coordination, technological and budget constraints, geographical factors, and equity and political considerations. The investment interrelationships may have a significant effect on future state funding needs and the strategic assessment of infrastructure development at the country level.     

Optimal harvesting of a spatial renewable resource

In this paper we investigate the optimal harvesting of a renewable natural resource. While in most standard approaches the resource is located at a single point, we allow the resource to be distributed spatially. Consequently, an agent who exploits the resource has to travel from one location to another. For a fixed planning horizon, we investigate the speed and the path of harvesting chosen by the agent. We show that the agent adjusts this speed so as to visit each location only once, even in the absence of travelling cost. Since the agent does not return to any location for a second harvest, it is optimal to fully deplete the resource upon arrival. A similar type of bang–bang solution results when we drop the assumption of a constant harvesting rate: allowing for a variable harvesting rate, the agent chooses to fully exploit the resource either in the last or in the first travelling period. A society interested in conserving some of the resource thus has to take measures to limit the exploitative behaviour of the agent.