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排序方式: 共有639条查询结果,搜索用时 15 毫秒
201.
医疗旅游是把医疗与旅游结合起来的一种全新的服务业,它是指消费者跨越国界到海外旅游,并在旅游目的地获得各种健康护理或接受各种手术治疗等,是目前全球旅游市场上一种充满商机的旅游形式。印度的医疗旅游业在世界医疗旅游业市场上占有重要的地位,形成独特的模式。印度医疗旅游的全球竞争优势主要表现在政府支持、较高的医疗水平、广泛的国际合作、独特的传统疗法以及丰富的旅游资源等。 相似文献
202.
Groenewold et al. (2004) documented that the Chinese stock market is inefficient. In this paper, we revisit the efficiency problem of the Chinese stock market using time-series model based trading rules. Our paper distinguishes itself from previous studies in several aspects. First, while previous studies concentrate on the viability of linear forecasting techniques, we evaluate the profitability of the forecasts of the self-exciting threshold autoregressive model (SETAR), and compare it with the conventional linear AR and MA trading rules. Second, the findings of market inefficiency in earlier studies mainly rest on the statistical significance of the autocorrelation or regression coefficients. In contrast, this paper directly examines the profitability of various trading rules. Third, our sample covers an extensive period of 1991–2010. Sub-sample analysis shows that positive returns mainly concentrate in the pre-SOE reform period, suggesting that China's stock market has become more efficient after the reform. 相似文献
203.
Aaron Bruhn Bronwen Whiting Bridget Browne Timothy Higgins Chong It Tan 《Risk Management & Insurance Review》2017,20(1):99-131
This article reports on the challenges faced when enterprise risk management courses (commonly studied by practitioners after several years of actuarial practice) were introduced into a postgraduate coursework degree, and taught concurrently with Actuarial Control Cycle (Part II) units. A small sample of students were interviewed, and the information gleaned from these interviews combined with the reflections provided by teaching staff is used to argue that although not problem‐free, the overall gain to students makes the project worthwhile. Assessment structure and use of class time in particular are examined as key features of the class, and potential improvements are suggested. 相似文献
204.
通过建立马尔可夫区制转移误差修正模型(MS-VECM)模拟我国货币政策对经济的非对称影响,以此分析我国货币政策的有效性。根据经济波动幅度,将我国经济划分为高波动和低波动两个区制状态,经济增长波动剧烈的区制下向均衡状态调整速度快于经济波动幅度较低区制下的调整,论证了我国货币政策对经济的影响在不同区制下存在非对称性。并用模型对我国经济状况进行了模拟预测,利用这种非线性的模型能够很好地预测货币与产出增长关系,表明现阶段我国经济运行状态是一低波动区制下的正常回落,目前不宜出台强扩张性的货币政策刺激经济增长。 相似文献
205.
206.
陈冲 《贵州商业高等专科学校学报》2014,27(3):18-24
通过对福建省1978—2012年间能源消费与经济发展进行实证分析,经济发展水平通过GDP生产总值、第三产业产值、劳动力第二三产业就业比重和平均每人纯收入来综合度量。引用柯布—道格拉斯生产函数,在变量一阶单整条件下构造反映福建省能源消费与经济发展长期均衡关系的协整方程,并且在考虑了短期变动因素情况下,构造了向量误差修正模型,即VEC模型。模型的结果显示出能源消费增加拉动了福建省经济发展水平的提升,能源消费每增加1%,经济发展水平就会提高0.34%,并且在短期,能源消费增长率在t时期对前一时期的调整力度为9%。 相似文献
207.
当今,以信息技术为中心的网络已经渗透到社会各个领域,网络成为了当代大学生获取重要信息、交流互动和休闲娱乐的重要平台,网络犹如一把双刃剑给高校思想政治教育带来机会的同时也带来了挑战。为此,高校思想政治教育工作者应紧握时代脉搏寻求应对策略,进一步发挥网络优势,扬长避短,以创新发展的态势开展思想政治教育工作的局面。 相似文献
208.
The gulf between multinational enterprises’ focus on high income countries and the reality of 80% of the world living in developing,
bottom of pyramid (Hahn, J Bus Ethics 84:313–324, 2009) economies could magnify the anti-globalisation movement and political backlashes in the twenty-first century. The global
financial crisis of 2008 and 2009 has increased such social tensions throughout the world and creates greater challenges for,
responsible leadership. In this conceptual article, the authors analyse the value and identity of local managers, and the
liability of foreignness caused by over-reliance on expatriate managers and under-reliance on local managers in bottom of
pyramid countries (Hahn, 2009). It is argued that multinational enterprises need to assess local managers’ knowledge and contributions as having not only
operational and market value, but also institutional value, such as access to local knowledge and local social capital; such
a holistic approach will ensure fairer, equal treatment of all managers in the multinational enterprise. Responsible leadership
in the twenty-first century requires a greater appreciation of local managers’ institutional value and the overcoming of any
psychological distance towards local managers of bottom of pyramid countries. 相似文献
209.
210.
Coordination of planning and scheduling decisions in global supply chains with dual supply modes 总被引:1,自引:0,他引:1
Rohit Bhatnagar Peeyush Mehta Chee Chong Teo 《International Journal of Production Economics》2011,131(2):473-482
We address the problem of coordinating aggregate planning decisions and short-term scheduling decisions in supply chains with dual supply modes. We consider long lead time, less expensive sea shipments that are based on demand forecast, and responsive but costly air shipments that are based on revised forecast closer to the demand period. The planning problem determines the sea shipment order quantity and inventory level, while the scheduling model determines the schedule and quantity of air shipments. Results from our numerical experiments suggest that our model leads to consistent cost improvements over a wide range of operating scenarios. 相似文献