中国工业经济绩效的实证研究——基于36个行业的面板数据

该文利用1993-2008年的36个工业行业的面板数据,通过固定效应模型,实证研究了工业行业的经济绩效与影响因素之间的关系。研究结果表明,提高工业行业的经济绩效关键在于行业效率和市场需求。从分行业的角度看,影响行业绩效的因素与生产型行业和消费型行业的行业特征有关。根据该文的研究表明,对于某些行业,试图通过兼并或重组等方式扩大行业规模、提高行业产值和行业集中度的做法来提高行业绩效,有可能适得其反。     

WTO争端解决机制专家组程序问题评析

DSU专家组程序是WTO在争端解决机制中创设非常成功的解决国际经济争议的一项制度,在很多方面对传统国际中争议解决作了发展,也取得了相对令人满意的效果。运行10年来逐渐暴露出一些自身的缺陷,尤其反映在专家组组成方面,专家组成员的选拔与工作负担问题;中期评审制度;专家组报告和上诉机构报告的效力等方面,文章拟分析这些问题存在的原因,对争端解决机制的完善与公正运作提出一些建议。     

Persistence of innovation: stylised facts and panel data evidence

This paper investigates whether firms innovate persistently or discontinuously over time using an innovation panel data set on German manufacturing and service firms for the period 1994–2002. It turns out that innovation behaviour is permanent at the firm level to a very large extent. Using a dynamic random effects discrete choice model and a new estimator recently proposed by Wooldridge (2005), I further shed some light on the driving forces for this phenomenon. The econometric results show that past innovation experience is an important determinant for manufacturing as well as for service sector firms, and hence confirm the hypothesis of true state dependence. In addition, the results highlight the important role of knowledge provided by skilled employees and unobserved individual heterogeneity in explaining the persistence of innovation.

互动式专题研讨在干部教育培训中的应用

与传统以讲授式为主的教学模式不同,互动式专题研讨法注重培训者与学员、学员与学员之间的互动,与以学员为中心、以解决问题为导向、强调多样化学习的现代培训基本思想和理念相符,也符合干部的认知和学习特点。本文分析了互动式专题研讨教学实践中存在的一些问题,并提出相应的对策,同时介绍了头脑风暴法、团体列名法、六顶帽子法、世界咖啡馆法等互动式专题研讨方法。     

我国城镇贫困群体社会救助状况实证研究

社会救助是协调公平与效率关系的基本途径。本文从全国城镇贫困群体的社会救助出发,在对其整体状况进行分析的同时,以现有经济理论为基础,通过实证检验影响我国社会救助的重要因素,从而为进一步完善我国的城镇贫困群体社会救助制度提供相应的经验证据。     

A comprehensive GlobalFiler™ autosomal STR reference dataset for Southern Africa

In this study a total of n = 832 autosomal DNA profiles from Southern Africa are analysed using the GlobalFiler™ STR panel. The dataset includes South Africa (SA) profiles (n = 541) produced by Ristow et al. 2016 and includes newly generated data for SA Sepedi (n = 96) and Lesotho populations (n = 195). For the newly generated (n = 291) genotypes, we report a large degree of rare and novel variation. This included (n = 7) off-ladder allele variants and (n = 7) TPOX tri-alleles. We report forensic summary statistics and genetic diversity parameters. Expected heterozygosity and observed heterozygosity ranged between (0.7– 0.9) with SE33 as the most polymorphic and TH01 the least. For SA and Lesotho genotypes the combined match probability was (1.13 ×10^-24 and 6.035 ×10^-24) and the combined paternity index (1.4 ×10⁹ and 2.44 ×10⁸) respectively. The power of exclusion (0.9999) was similar for each dataset and no significant departures from Hardy-Weinberg equilibrium (HWE) were observed after Bonferroni correction. Population comparisons were performed by MDS and neighbour-joining and population structure inferred by STRUCTURE and DAPC unsupervised clustering.     

市场竞争导致的银行集中、制度与净利息边际收入

研究银行集中与效率的关系主要有银行集中-管制效率论、银行集中-结构效率论和银行集中-制度效率论三种理论。本文基于面板数据,实证分析了后两种由市场竞争导致的银行集中与效率的理论。结果表明银行集中度与银行效率有显著的正相关关系,控制制度变量后,银行集中度与银行效率仍有显著的正相关关系,但制度变量不显著,银行集中-结构效率论成立。所以,提高银行效率必须改善银行市场结构,调整业务结构和加强银行监管,努力实现市场竞争导致的银行集中,建立防范金融风险的“隔离墙”。