董事会特征与公司经营业绩相关性研究——基于我国A股上市公司的实证研究

本文以沪市和深市A股上市公司为样本,研究了董事会特征与公司业绩之间的关系。结果表明:独立董事比例与净资产收益率显著负相关;两职合一与净资产收益率显著负相关;公司规模与净资产收益率显著正相关;董事会规模和董事会会议频率与净资产收益率不具有显著相关关系。     

加密货币量价关系研究——基于去趋势交叉相关分析和分位数回归的方法

本文以6个加密货币为研究对象，运用去趋势交叉相关分析（DCCA）方法研究加密货币量价交叉非线性相关性的非对称特征和局部时变特征，并且采用带有风险传导的多重分形去趋势交叉相关分析方法研究量价非线性传导关系，进而，运用分位数回归的方法研究量价交叉相关性和流动率、波动率之间的关系。分析结果显示：加密货币收益率和交易量变化率均表现出尖峰厚尾、有偏的分布特征；加密货币量价非线性相关性随着标度增大而增强；无论是收益率还是交易量变化率下跌时，量价交叉非线性DCCA系数更大；量价交叉相关性同时具有非对称性和时变特征。加密货币量价之间具有风险传导的相互影响关系。在整体阶段，除门罗币外流动率对量价交叉相关性具有促进作用；波动率只对比特币有抑制作用。牛市期间流动率抑制而波动率促进量价关系更加明显；而熊市期间波动率主要对瑞波币和莱特币量价关系起抑制作用，除“柚子”和门罗币外，流动率对量价关系起抑制作用。     

独立董事与上市公司业绩实证研究

本文以2001年至2004年沪市上市公司为样本,采用实证研究方法,以净资产收益率和销售收入与资产为公司业绩,研究独立董事结构与公司业绩之间的关系。研究发现:业绩变量与独立外部董事之间存在正相关关系,但与利用净资产收益率测度公司绩效相比,利用销售收入/资产测度公司绩效时,其正相关关系更为显著。     

独立董事与上市公司业绩实证研究

本文以2001年N2004年沪市上市公司为样本,采用实证研究方法,以净资产收益率和销售收入与资产为公司业绩,研究独立董事结构与公司业绩之间的关系。研究发现：业绩变量与独立外部董事之间存在正相关关系,但与利用净资产收益率测度公司绩效相比,利用销售收入,资产测度公司绩效时,其正相关关系更为显著。     

新媒体信息披露对股票市场的影响研究——来自“互动易”平台的证据

文章以2011年至2014年间"互动易"平台的数据为样本,深入考察上市公司信息披露质量与股票收益率、交易量的关系。基于原始问答数据,从信息披露效率的角度构建公司回复指数以刻画上市公司自愿性信息披露质量。结果表明,在控制其他影响因素之后,公司回复指数与股票收益率、交易量均存在正相关关系,其中回复指数对个股收益率仅短期影响显著,虽然无法帮助预测收益率,但是能够成为预测交易量的有效指标。研究证实了公司的及时回复对消除股市信息不对称的正面效果,以及深交所"互动易"平台维护证券市场秩序的积极作用。此外,文章基于互动平台的特性,设计了具有较强推广性的新媒体披露质量测度指标,对日后的研究具有积极的借鉴意义。     

沪市制造业企业环境管理与财务绩效关系研究——基于面板数据联立方程组模型的实证分析

本文构建环境管理指数衡量了沪市制造业企业的环境管理水平,以305家沪市制造业上市企业作为样本,利用面板数据联立方程组模型,研究了企业环境管理与财务绩效的关系。实证结论显示:第一,制造业平均环境管理水平虽逐年提升但整体水平较低,且各子行业之间存在较大差异,即使同一行业内也相差甚远;第二,重污染行业企业展现出更高的环境管理水平;第三,环境管理水平对企业财务绩效有负面影响,而企业财务绩效对环境管理水平有正面影响;第四,企业规模与经营年限显著正向影响环境管理水平。     

基于分位数回归技术的创业板IPO量价关系研究

本文采用分位数回归方法,结合面板数据来研究创业板IPO的量价关系,对不同分位水平的溢价率与交易量、大盘走势之间的动态关系进行了全面的研究。研究结果表明,在较低分位点的收益率与成交量呈现"量缩价跌"现象,在中高分位点的收益率和成交量表现为"量价齐扬"。     

含有利率因素的国内外期铜市场间联动性

文章以国内外利差为外生变量,运用向量自回归模型和日数据,对上海期铜和伦敦期铜之间的信息溢出现象进行了研究。研究发现,上海期铜与伦敦期铜市场之间具有长期均衡关系,且存在双向的价格引导关系但只存在伦敦到上海的单向的收益率引导关系。国内外利率之差与期铜价格和收益率都呈现正向引导关系。     

股票收益率影响因素研究

本文选取2012年沪市制造业上市公司为研究样本,从上市公司财务指标中选取了6个具有代表性的影响股票收益率的因素进行多元回归分析。结果表明:净资产收益率、股东权益周转率、营业收入现金比率与股票收益率成正相关关系,而前两个指标可以有效解释股票收益,营业收入现金比率则不显著;贝塔系数、公司规模、公司成长性对股票收益率具有负效应。相信本研究对投资者提高投资决策水平及上市公司进行价值管理具有参考意义。     

机械板块上市公司营运资本管理与企业绩效的实证分析

通过对机械板块上市公司营运资本管理与企业绩效的实证分析可以得出以下结论:流动资产比与净资产收益率显著成负相关关系;流动负债比与企业绩效显著成正相关关系;流动比率与企业绩效成负相关关系,但不显著;流动资产周转率与企业绩效成显著正相关关系;现金周期与企业绩效成显著负相关关系;控制变量公司规模、净值产增长率、资产负债率对企业的经营绩效都有显著的正向效应。     

Incumplimiento del salario mínimo en Europa central y oriental

En este estudio se analiza el incumplimiento del salario mínimo durante el periodo 2003–2012 en diez países de Europa central y oriental con salario mínimo obligatorio nacional. A partir de los datos de EU‐SILC y la metodología propuesta por Bhorat, Kanbur y Mayet (2013), se cuantifica la incidencia y magnitud del incumplimiento. Se realizan análisis de regresión sobre determinantes individuales, laborales y macroeconómicos. Aunque la incidencia permanece relativamente baja, los trabajadores a los que se dirigen las políticas de salario mínimo parecen los más expuestos a su incumplimiento. Con el tiempo, una mayor incidencia se asocia a una razón más alta entre salario mínimo y salario medio.     

Cultural Economy Planning in Creative Cities: Discourse and Practice

While a growing body of research analyses the functional mechanisms of the cultural or creative economy, there has been little attention devoted to understanding how local governments translate this work into policy. Moreover, research in this vein focuses predominately on Richard Florida's creative class thesis rather than considering the wider body of work that may influence policy. This article seeks to develop a deeper understanding of how municipalities conceptualize and plan for the cultural economy through the lens of two cities held up as model ‘creative cities’ — Austin, Texas and Toronto, Ontario. The work pays particular attention to how the cities adopt and adapt leading theories, strategies and discourses of the cultural economy. While policy documents indicate that the cities embrace the creative city model, in practice agencies tend to adapt conventional economic development strategies for cultural economy activity and appropriate the language of the creative city for multiple purposes.     

Sixty years of discrimination and diversity research in human resource management: A review with suggestions for future research directions

This article reviews discrimination and diversity research published in Human Resource Management (HRM) over the past 60 years. While discrimination and diversity are very different constructs, it is often informative to study them together, because when people recognize each other's diversity, this can result in bias, stereotyping, and discrimination. We conducted bibliographic searches for terms related to discrimination and diversity as well as a manual search through every title and abstract published in HRM over the last 60 years to assess article relevance. The search resulted in 135 research articles with 136 unique studies (i.e., samples) which are reviewed in this article. Sex and race are the demographics that have been examined the most in HRM, while religion has been examined the least. Moreover, the number of studies examining lesbian, gay, bisexual, transgender, and queer (LGBTQ) employees in the workplace in HRM has grown quickly within the past 10 years, culminating in a recent meta‐analysis. Our review looks at some of the earliest research published, the most recent research published, and the overall trends we identified in the research over the years for both discrimination and diversity articles. We then make future research suggestions and recommendations to advance the study of discrimination and diversity in the coming years.     

Input/output ranges and performance: an examination of US machine tool producers

Despite the establishment of high-tech multinational enterprises (MNEs) in Ireland since the late 1950s, the country did not succeed in closing the technological gap with most of its EU counterparts. The weak National System of Innovation (NSI), and in particular low business and government R&D levels, combined with a lack of research and technology linkages between MNEs and indigenous firms, explain these poor results. However, the Shannon region in the West of the country presents some specific institutional characteristics that could theoretically make the region a strong technological enclave. The various actors in the region - i.e. the administrative, financial, political and research institutions, as well as the business organizations - have indeed infused a new type of economic development. After a brief review of the available concepts and models articulated around these actors and their interrelationships, the paper analyses whether the Shannon region, taken as an illustrative example, mirrors a specific economic and technological localized setting. The study is based on a survey of indigenous and foreign firms.     

Multinomial distributions applied to random sampling of particulate materials

When sampling a batch consisting of particulate material, the distribution of a sample estimator can be characterized using knowledge about the sample drawing process. With Bernoulli sampling, the number of particles in the sample is binomially distributed. Because this is rarely realized in practice, we propose a sampling design in which the possible samples have a nearly equal mass. Expected values and variances of the sample estimator are calculated. It is shown that the sample estimator becomes identical to the Horvitz–Thompson estimator in the case of a large batch-to-sample mass ratio and a large sample mass. Simulations and experiments were performed to test the theory. Simulations confirm that the round-off error due to the discrete nature of particles is negligible for large sample sizes. Sampling experiments were carried out with a mixture of PolyPropylene (PP) and PolyTetraFluorEthylene (PTFE) spheres suspended in a viscous medium. The measured and theoretical variations are in good agreement.     

The Early History of the Cumulants and the Gram-Charlier Series

The early history of the Gram-Charlier series is discussed from three points of view: (1) a generalization of Laplace's central limit theorem, (2) a least squares approximation to a continuous function by means of Chebyshev-Hermite polynomials, (3) a generalization of Gauss's normal distribution to a system of skew distributions. Thiele defined the cumulants in terms of the moments, first by a recursion formula and later by an expansion of the logarithm of the moment generating function. He devised a differential operator which adjusts any cumulant to a desired value. His little known 1899 paper in Danish on the properties of the cumulants is translated into English in the Appendix.     

Capturing the Implications of Services Trade Liberalization

This paper evaluates the impact of service sector trade liberalization on the world economy by a ten-region, eleven-sector CGE model with import embodied technology transfer from developed countries to developing countries. Simulation results show that service sector trade liberalization not only directly affects world service production and trade, but also has significant implications for other sectors in the economy. The major channel of the impact is through inter-industry input-output relations and TFP growth induced from services imported by developing countries from developed countries, which may be embodied with new information and advanced technology.     

City Children and Genderfied Neighbourhoods: The New Generation as Urban Regeneration Strategy

Former industrial cities in the West are employing gentrification as urban policy. In these policies, women and families currently play an important role as gentrification pioneers. In my analysis of Rotterdam in the Netherlands, I propose the term genderfication to understand the gender dimensions of this process. Genderfication refers to the production of space for different gender relations. I analyse Rotterdam's urban planning program for becoming a ‘child‐friendly city’, which entails replacing existing urban dwellings with new, larger and more expensive ‘family‐friendly homes’ as a strategy for urban re‐generation. Urban re‐generation supplements regeneration in the form of material and economic restructuring, and refers to the replacement of part of the current population by a new and better suited generation. The ‘child‐friendly city program’ is considered in tandem with punitive ‘youth policies’.     

Performance appraisal and culture: practice and attitudes in Hong Kong and Great Britain

This article compares the practice of and attitudes towards performance appraisal for managerial and professional staff in Hong Kong and Britain, and considers the extent to which actual practice and employee preferences are in alignment. Findings suggest that appraisal may be more widespread in Hong Kong than in Britain. However, British appraisal tends to be more participative and to place greater emphasis on discussing objectives, development and career plans. Hong Kong appraisals appear to be more directive and Hong Kong respondents perceive a higher level of 'negative' appraiser behaviour. In spite of this, Hong Kong respondents show if anything slightly more confidence in the utility of appraisal than do British respondents. They show stronger support for appraisal's use for reward and punishment and less support for the objectives-setting and training and development uses than do the British sample. Hong Kong respondents are more likely than their British counterparts to favour involving a more senior manager in appraisal, and they are less likely to prefer more frequent appraisals. There was little evidence that Hong Kong respondents had a stronger preference for group-based appraisal criteria, although they did show more support than the British sample for the use of personality as a basis for appraisal. Overall, the suggestion is that appraisal has been adopted in Hong Kong organizations but that the practice of appraisal has been adapted to suit the cultural characteristics of the society.     

Narrative construction of expatriate experience and career cycle: discursive patterns in Finnish stories of international

Expatriate experience is not only a disconnected occasion for cross-cultural anxiety and adjustment but also an important event in the process of self-development and learning. Following this view and arguing for a discursive approach, the paper focuses on ways in which expatriates themselves tell and interpret their development and movement across expatriate career cycle. Meaning systems connecting expatriate job with previous and following work experiences in career stories of Finnish engineers and managers were identified using a combination of narrative and discourse analysis. No evidence was found of an autonomous expatriate discourse but, in contrast, expatriate career cycle was narrated using available organizational repertoires of development and career. Describing and discussing the meaning-making properties of three identified discourses - bureaucratic, occupational and enterprising - the paper emphasizes the organizational environment of expatriate experience while acknowledging the limits of these contemporary career vocabularies in addressing individual learning and change in cross-cultural settings.