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1.
中国股票市场非线性特征检验分析 总被引：2，自引：0，他引：2
本文突破了传统资本市场理论研究的线性框架,视股票市场为一非线性系统,运用R/S、BDS等非线性方法对沪深股票市场进行实证研究,得出了沪深两市的非线性特征,并探讨了这些实证结果对股票市场研究的理论与实践意义。 相似文献
2.
混合所有制改革形成了非国有股与国有股相互制衡的股权结构。通过研究国有企业中非国有股权和国有股权相互制衡的程度与真实盈余管理行为的关系发现:混合股权制衡度显著抑制了国有企业的真实盈余管理行为,但当国有性质股权占比小于非国有性质股权占比时上述抑制作用减弱。另外,参与混合所有制改革的金融类、外资类股权相比民营类股权制衡度,对真实盈余管理行为发挥了更显著的治理作用。机制检验发现,混合股权制衡一方面通过提升业绩,提高对真实盈余管理动机的抑制作用,从而缓解了真实盈余管理行为;另一方面通过提升内部控制对真实盈余管理的抑制作用,降低了真实盈余管理行为。以上结论有助于深化国有企业混合所有制改革,为提升混改中的审计监管质量提供参考。 相似文献
3.
高职院校以培养高素质技能性人才为主要目的,以培养高技能实用性人才为宗旨,重点强调学生的动手能力。入学时,由于计算机水平参差不齐,许多学生对计算机的认识存在误区,导致学生的学习兴趣不高。笔者针对以上问题,提出采用"学生为主体,教师为主导"的教学模式等措施比较有效地解决了教学中存在问题,希望对非计算机专业的学生在计算机教学中有所帮助。 相似文献
4.
This study investigates the signalling role and rectification effectiveness of an audit partner disciplinary system. The signalling role refers to whether sanctions reflect the poor audit quality of disciplined audit partners, and rectification effectiveness addresses whether disciplinary actions enhance subsequent audit quality. The sample consists of Taiwanese listed companies, in the period 2000 to 2006, where the identities of audit partners who sign audit reports and who are sanctioned are accessible. Empirical results indicate that in the pre‐sanction period, the probability of financial restatements by clients of disciplined audit partners is significantly higher than that of non‐disciplined audit partners. The more severe or frequent the sanctions, the higher the likelihood of financial restatements in the pre‐sanction period. These findings imply that audit partner disciplinary actions can serve as a signal of lower audit quality provided by those partners. The rectification effectiveness of disciplinary actions is examined from two perspectives: (1) the effects on subsequent improvements of audit quality of disciplined audit partners; and (2) audit quality enhancement of successor non‐disciplined audit partners who accept clients from disciplined audit partners. Empirical results show a lower probability of restating financial statements audited by disciplined audit partners after sanctions. We also find a lower likelihood of restating financial statements audited by successor non‐disciplined audit partners in the post‐sanction period. Both findings support our conclusion that audit partner sanctions improve audit quality. Overall, audit partner disciplinary actions can signal lower quality audit partners and are effective in enhancing audit quality. 相似文献
5.
王彦君 《山西财政税务专科学校学报》2014,(1):54-57
对于现代企业发展而言,商业秘密权是一项尤为重要的财产权利,它类似于企业的知识产权,是企业的巨额无形资产,具有很高的市场价值。在商战中,保护企业的商业秘密非常重要。在我国,企业往往通过与员工签订竞业禁止协议的方式,要求离职员工保守其商业秘密。但是自主择业权是宪法赋予劳动者的一项基本权利,关系到劳动者的生存及发展,属于基本人权范畴,具有宪法权利的属性,应该予以很好的保护。因此,需要解决好劳动者的自主择业权与企业的商业秘密权二者之间的冲突关系。 相似文献
6.
Recent large-scale failures in financial institutions have been found to be caused, in-part, by human factors-related issues in financial trading. In other environments where risk management and performance are intertwined, a human factors approach is often adopted to understand how the ‘non-technical skills (NTS)’ (leadership (LD), decision-making (DM), situation awareness (SA), teamwork) of organisational actors influence outcomes. Yet, to date, there has been minimal application of human factors research in financial trading. This study (i) identifies ‘real-world’ (i.e. non-laboratory) research studies investigating the NTS important for performance in financial trading, (ii) examines and synthesises data on the NTS found to underpin good or poor performance and (iii) considers the quality and coverage of research investigating NTS in financial trading, and identifies potential areas for future research. Nineteen studies were identified through a systematic literature search and then content-analysed for associations between NTS and performance in financial trading. The review found a range of decision-making (e.g. heuristics and biases, intuitive DM, emotional regulation) and LD skills (e.g. setting standards, monitoring behaviour, encouraging speaking-up) to have been identified as important for managing risk and performance in financial trading environments. Furthermore, SA (e.g. information search and assessment strategies, vigilance, identifying ‘noise’ data) and teamwork (e.g. avoiding ‘role’ conflict, communication between traders) were found to be important, yet remain less explored within the literature, and should be the focus of future research. NTS appear essential for effective risk management within the financial sector, yet further field research is required to examine the context-relevant behaviours that underpin safe activity. This will facilitate the development of evidence-based systems for assessing and training NTS competencies. 相似文献
7.
Graham O'Neill 《Corporate Governance: An International Review》2007,15(4):692-700
Pay Without Performance: The Unfilled Promise of Executive Compensation by Lucian Bebchuk and Jesse Fried (Harvard University Press, 2004) challenges the view that executive remuneration arrangements are designed to maximise shareholder value. The authors argue that managerial power results in remuneration being structured to benefit executives at the expense of shareholders. This paper contends that Bebchuk and Fried's approach illustrates issues that contribute to the problematic nature of executive remuneration research. In particular, it is proposed that a priori conceptions about executive remuneration, methodological dogmatism in research approaches and a significant gap between theory and practice, each contribute to the lack of convergence in executive pay research. Illustrative data taken from interview‐based research conducted with Australian non‐executive directors supports the view that reliance on economic efficiency arguments alone does not provide a sufficient framework to explain the subjective, judgemental and socially interactive processes involved in determining executive pay. 相似文献
8.
Yves L. Grize 《Revue internationale de statistique》2015,83(1):135-159
This is an expository paper on applications of statistics in the field of general insurance, also called non‐life insurance. Unlike life insurance where advanced statistical techniques have long been part of financial mathematics and actuarial applications, their use is only relatively recent in non‐life insurance. The business model of insurance companies, especially those active in non‐life insurance, has seen dramatic changes over the last 15 years. The aim of this paper is to convince the readers that especially today non‐life insurance is not only an exciting ground to apply existing modern statistical tools but also a fertile environment for new and challenging statistical developments. The activities of an insurance company can be viewed as an industrial process where data management and data analysis play a key role. That is why a fundamental understanding of data‐related issues (such as data quality, variability, analysis and correct interpretation) is so essential to the insurance business. These are exactly the tasks where professional statisticians excel. Also, a better understanding of the field of general insurance by statisticians will promote fruitful exchanges between actuaries and statisticians, thereby helping to bring actuarial and statistical professional societies closer to each other. Selected examples are used to cover the essential aspects of general insurance, and all of them are based on the author's experience. The paper concludes with some remarks on the role of statisticians working in general insurance. 相似文献
9.
Victor Dulewicz Keith Gay Bernard Taylor 《Corporate Governance: An International Review》2007,15(6):1056-1069
This paper reports research conducted on detailed behavioural information from the UK Non‐Executive Director (NED) Awards 2006. The key findings were that outstanding Chairmen have a high level of integrity, showing high ethical standards in their own behaviour, as well as providing a lead on corporate governance matters. They promote investors' confidence and ensure high returns to investors. They spend significant time mentoring, developing and advising their colleagues, are team builders, are empathetic and very effective. They encourage contributions from fellow directors and achieve consensus yet they challenge and probe colleagues, especially the executive directors. They have an acute critical faculty and a critical thinking ability. 相似文献
10.
Paul Eckerstorfer Johannes Halak Jakob Kapeller Bernhard Schütz Florian Springholz Rafael Wildauer 《Review of Income and Wealth》2016,62(4):605-627
It is a well‐known criticism that if the distribution of wealth is highly concentrated, survey data are hardly reliable when it comes to analyzing the richest parts of society. This paper addresses this criticism by providing a general rationale of the underlying methodological problem as well as by proposing a specific methodological approach tailored to correcting the arising bias. We illustrate the latter approach by using Austrian data from the Household Finance and Consumption Survey. Specifically, we identify suitable parameter combinations by using a series of maximum‐likelihood estimates and appropriate goodness‐of‐fit tests to avoid arbitrariness with respect to the fitting of the Pareto distribution. Our results suggest that the alleged non‐observation bias is considerable, accounting for about one quarter of total net wealth in the case of Austria. The method developed in this paper can easily be applied to other countries where survey data on wealth are available. 相似文献