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991.
Customer behavior modeling and classification are well-studied areas for applications in retail. Past studies implemented the purchase behavior modeling based on the physical behavior of a subject. In this research, we apply the recency, frequency, and monetary (RFM) model and data modeling techniques to detect behavior patterns for a customer. Each transaction attributed to a customer is part of one's behavior, and an instance of the feature vector, it is modeled on a set of transactions to constitute repurchase behavior. The proposed scheme is validated by simulating a publicly accessible real-world data set with a need-tailored multi-layer perceptron (MLP) and also support vector machine (SVM) and decision tree classification (DTC) methods. The experiments yield a high customer classification rate of more than 97% for the different numbers of the customers. Empirical analysis shows that eight transactions are sufficient to classify a customer with high accuracy.  相似文献   
992.
Over the past two decades, the aviation sector has seen dramatic growth in demand with limited support in terms of supply, due to under-development of the larger airport infrastructure. This has led to congestion and delays at major airports across the world. The topic of ‘airport capacity management’ (ACM) has thereby attracted considerable scholarly attention. From our review of extant literature, we find an extensive repository of research work related to ACM, vis a vis its inherent role and the expected output. Nevertheless, extant literature has failed to conduct a systematic literature review on ACM in order to understand its evolution over time. Therefore, we analyze ACM literature in detail to grasp and evaluate the work being done thus far, using bibliometric analysis. Our analysis reveals that airport capacity, congestion, competition and ground holding problems are important keywords related to ACM. Further, using co-citation analysis we identify 5 broad clusters and thought pattern of researchers. We also propose a flowchart of literature with major research area related to ACM. Finally, we note that the Journal of Air Transport Management (JATM) with 1086 citations and 109 documents tops the list of journals publishing papers on ACM.  相似文献   
993.
阮睿  孙宇辰  唐悦  聂辉华 《金融研究》2021,488(2):188-206
提高信息披露质量对于改善上市公司治理结构和保护股东权益具有重要意义。本文利用2014年开通的“沪港通”机制这一准自然实验,研究资本市场开放是否提高了企业的信息披露质量。从2010-2019年A股上市公司年报文本中提炼可读性指标衡量信息披露质量,使用匹配和双重差分方法进行实证研究,发现“沪港通”机制实施以后,标的公司(纳入“沪港通”的A股上市公司)的信息披露质量显著提高。这一结论对不同的估计方法、样本区间及控制变量组均保持稳健。异质性分析表明,对于盈余操纵水平较高、股价信息含量较低的企业,资本市场开放能够更好地改善其信息披露质量。本文丰富了资本市场开放对企业行为和绩效影响的实证研究,为继续推进资本市场开放政策提供了理论依据。  相似文献   
994.
研究目标:分析市场竞争度、非利息业务对商业银行效率的影响。研究方法:本文主要使用了SFA和动态面板GMM方法进行研究。研究发现:市场竞争度与银行利润效率和成本效率负相关,非利息业务与利润效率正相关,对成本效率影响并不显著;对于国有银行和股份制银行,手续费及佣金业务与利润效率和成本效率正相关,交易性业务与成本效率负相关;对于地方性银行,交易性业务与利润效率正相关,其余影响并不显著;随着竞争度的提升,非利息业务对银行效率的影响更趋向于负面。研究创新:研究分类非利息业务对各类银行效率的不同影响,考察了随着市场竞争度的变化,这种影响有何改变。研究价值:为监管者和商业银行在决策时提供参考。  相似文献   
995.
Health2020 is a promising framework of policies provided by World Health Organization (WHO) aiming to diminish the health and well-being inequalities among the citizens of countries. European Union (EU) and its member-states participate to this ambitious framework. The deterioration of major demographic, social and environmental factors, in addition to the escalation of the economic crisis prevent the successful and, without restrictions, implementation of this framework. Under such conditions, there is a strong need for all the EU member-states to utilize their health and economical resources efficiently and wisely. In order to provide a unified and value-based approach of the Heath2020 framework, we take advantage of the Data Envelopment Analysis (DEA) and Dynamic DEA methods to evaluate the impact of the Health2020 policies. This approach pinpoints the countries that can be characterized as outperformers and the lagged ones. We adopt several versions of evaluation, in relation to the regional targets of Health2020, measuring both the effectiveness and the efficiency of EU countries from 2011 to 2016. We, also, examine the stability of the technological frontier of the countries using dynamic DEA. Our results showed the existence of major dividend lines between the outperformers and the other countries. The results also reveal a stability in technological changes indicating, probably, the slow development in this sector at the field of Health.  相似文献   
996.
成就目标导向作为个人追求成就的认知倾向,其对个体组织行为和态度的重要影响逐渐引起了当代管理学界的关注,但目前成就目标理论的本土化研究却面临成果匮乏与研究脉络难以拓展的双重困境,而这主要是由成就目标导向的结构多维演化与采用标准不一所致。聚焦当前研究困境,梳理了近30年来成就目标导向的结构演化历程,剖析了目前学术界争议的焦点,基于研究进展与现实意义诠释了成就目标导向三维结构的适用性,基于理论基础对三维构念进行了要素分析,并通过量表编制、修订与实证研究检验了三维结构的合理性。研究结果将为成就目标理论运用于本土企业管理研究带来一定启示,并为提升该理论的普适性作出一定贡献。  相似文献   
997.
Achieving competitive advantage for any destination in times of rapid global change requires tourism stakeholders to have a clear understanding of the direction of change and its implications for business or destination management. The challenges are particularly acute for emerging destinations such as Slovenia. The paper discusses tools for measuring destination performance with particular focus on Importance-Performance Analysis (IPA). Using IPA the paper develops a priority ordering for Slovenian tourism stakeholders to debate, modify and to adopt actions that can help them prepare for the challenges arising from global trends. The survey instrument used for this study asks respondents to highlight both the important areas that should be addressed by tourism stakeholders in Slovenia and also the performance of Slovenia in respect of the success or otherwise of the strategies that are currently being pursued to enhance destination competitiveness. The findings reveal that there are a number of areas in which the Slovene tourism industry considers itself to be underperforming in the implementation of strategies to eliminate drift. The paper explores some of the implications of the findings for strategic action and implementation, making some concluding comments on destination development strategy while highlighting areas for further research.  相似文献   
998.
从我国工程项目管理实践中存在的不足入手,论述实施风险项目管理的可行性,建立了风险项目管理的流程,设计了风险库等管理工具,并以实际案例介绍了风险项目管理的应用.  相似文献   
999.
中小企业是国民经济重要组成部分其财务有其自身独特性.本文在分析中小企业财务管理问题的现状的基础上,提出加强其管理的相关对策.  相似文献   
1000.
When using the Data Development Analysis method for analyzing the efficiency of different firms, it is common to put all similar DMU together for measurement in order to figure out the efficiency values of various DMU. However, such an analysis may easily neglect the source property of an individual DMU, meaning that the differences among various DMUs derive from different environmental backgrounds, e.g. environment variables such as economic civilization, laws and regulations, and political backgrounds. Applying the Metafrontier model can overcome the barriers resulting from the environment variables, and it can analyze and measure the differences among various DMUs which have different source properties. It can also be used for measuring the difference between each group of DMU and all DMUs. Therefore, this study adopts the DEA method, assuming variable returns to scale to evaluate and comparatively analyze the business performance of life insurance industries in Taiwan and Mainland China based on "BBC input orientation". When evaluating the business performance, the operating management echelon is affected by uncontrollable external environment variables. Thus, this study applies the Four-Stage Data Envelopment Analysis to discuss the impact of environment variables on business performance and re-measures the business efficiency of life insurance industries in Taiwan and Mainland China after adjusting the input variables. The demonstration period adopted by this study is from 2003 to 2005, and the research subject comprises 43 companies in Taiwan and Mainland China, among which, there are 19 companies in Taiwan and 24 companies in Mainland China, and there are 129 sets of sample data. It is assumed that the discount rate is ? (), is set as 3% in this paper), and figured out the change of each life insurance company in technical efficiency in the inter-period accumulative years from 2003 to 2005.  相似文献   
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