Does price reflect emotional,structural or performance quality?

Three denim jeans products from the same manufacturer with differentiated pricing and labels (antiqued, sandblasted, and stonewashed) were used to determine the relationship between price and quality. Both qualitative and quantitative procedures were used to analyse the garments. All three jeans were made of twill weave with 3 × 1 repeat. Both structural and performance characteristics were compared using standardized tests. Analysis of variance was used to compare the selected structural and performance characteristics among the three jeans products. Tukey’s HSD tests were used for post hoc multiple comparisons for three jeans. The findings revealed that despite the fact that all three jeans products were from the same store, and that the fabrics used the same weave, degree and direction of twist, the jeans differed significantly for several structural and performance characteristics. Several possibilities for future research were explored.     

山西省装备制造业集群企业合作与创新之间关系的经验分析

利用山西省装备制造业集群企业的数据,实证分析了集群企业的纵向合作和横向合作对综合创新、产品创新和流程创新的作用。结果表明:纵向合作是影响山西省装备制造业集群创新的重要因素,横向合作对产品创新的影响较为显著。     

股权结构对上市公司并购绩效影响的实证研究

本文结合我国上市公司股权结构特征,分析了股权结构对并购绩效的作用机理,并对其进行实证研究。研究表明:国有股东属性与公司并购绩效正相关;第一大股东持股比例越高,并购绩效越差;其他大股东的制衡能力越强,公司并购绩效越好。     

上市公司股权结构、激励制度及绩效的实证研究

股权结构的分散性与国家股的大小呈负相关,与流通股的大小呈正相关。公司经营绩效与股权结构分散性、经理人员拥有的公司股权大小、职工持股呈正相关,与国家股的大小、经理人员薪金等呈负相关。     

基于风格调整的开放式基金业绩评价实证研究

基金的投资风格对于基金业绩有重大影响,将不同投资风格的基金业绩直接进行对比,不能科学地体现基金表现的优劣。本文以2005年4月1日到2009年11月30日期间经历了一个完整的上涨和下跌行情的我国51只开放式股票型基金为样本,运用Fama-French三因素模型对基金的投资风格进行检验,并在剔除风格因素后对基金业绩进行评价,结果发现我国开放式股票型基金投资风格严重趋同,表现为大盘成长型。经过风格调整之后,基金取得了一定的超额收益。     

集聚经济、创新溢出与区域创新绩效

推动经济增长的主导因素由传统的劳动力、资本积累向创新要素数量与网络化程度转变。从来源看,区域创新源于区内自主创新与区外创新溢出。区域自主创新能力直接受创新要素禀赋条件的影响,集聚经济因素通过空间外部性作用直接影响区域创新要素集聚能力与水平。同时区域经济发展过程中形成的空间依赖产生区间创新溢出;对外开放过程中产生创新的国际溢出,都对区域创新绩效产生重要影响。实证分析结果表明,从整体上看,集聚经济与创新溢出皆对区域创新绩效有显著影响。因此,应通过强化集聚经济效应,构建开放式创新环境,提高吸收能力以充分利用创新溢出效应,并促进企业价值网与区域创新网“两网合一”,降低交易成本,不断提升区域创新绩效。     

EPC工程项目联合体协调管理评价研究

为确保EPC（工程总承包）项目联合体的协调发展以及项目的顺利进行,以EPC工程项目联合体为协调管理绩效评价主体,结合联合体成员协调管理内容以及项目的实际特点,经过有关文献的检索与分析,从权责利分配合理性、目标协同程度、总承包部管理能力、总承包部协调能力、联合体成员间信任5个方面建立联合体协调管理绩效评价指标体系。运用模糊综合评价法,以杭州之江路输水管廊及道路提升EPC项目为实例,对EPC项目联合体协调管理绩效进行评价。     

Estimators for the common principal components model based on reweighting: influence functions and Monte Carlo study

The common principal components model for several groups of multivariate observations is a useful parsimonious model for the scatter structure which assumes equal principal axes but different variances along those axes for each group. Due to the lack of resistance of the classical maximum likelihood estimators for the parameters of this model, several robust estimators have been proposed in the literature: plug-in estimators and projection-pursuit (PP) type estimators. In this paper, we show that it is possible to improve the low efficiency of the projection-pursuit estimators by applying a reweighting step. More precisely, we consider plug-in estimators obtained by plugging a reweighted estimator of the scatter matrices into the maximum likelihood equations defining the principal axes. The weights considered penalize observations with large values of the influence measures defined by Boente et al. (2002). The new estimators are studied in terms of theoretical properties (influence functions and asymptotic variances) and are compared with other existing estimators in a simulation study.     

社会责任表现、报告披露意愿与税收激进度——基于A股上市公司的实证研究

基于2011—2015年A股上市公司的数据,对社会责任表现与税收激进度的关系进行研究,实证结果表明：社会责任表现越好的公司,其税收激进水平越低,并且披露意愿会对社会责任表现与税收激进度之间的关系产生影响,社会责任表现与税收激进度的负相关关系在应规披露社会责任信息的企业中更加明显。然而,拓展性检验发现,最终控制人性质对社会责任表现与税收激进度之间的关系并没有产生显著影响。因此,提高社会责任表现对税收激进度的约束作用,需要强化对自愿披露社会责任报告企业的监督。