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41.
钟凌 《海南大学学报(人文社会科学版)》2007,25(2):225-229
通过讨论在不同文化环境下,国际商务活动呈现的差异,从微观的角度分析文化差异在人际交流、商务洽谈、管理风格、商务决策和企业结构等方面对国际商务交流的影响。 相似文献
42.
Massimo Franchi 《Econometric Reviews》2019,38(10):1176-1201
A generalization of the Granger and the Johansen Representation Theorems valid for any (possibly fractional) order of integration is presented. This Representation Theorem is based on inversion results that characterize the order of the pole and the coefficients of the Laurent series representation of the inverse of a matrix function around a singular point. Explicit expressions of the matrix coefficients of the (polynomial) cointegrating relations, of the Common Trends and of the Triangular representations are provided, either starting from the Moving Average or the Auto Regressive form. This contribution unifies different approaches in the literature and extends them to an arbitrary order of integration. The role of deterministic terms is discussed in detail. 相似文献
43.
In a recent research, the quasi-likelihood estimation methodology was developed to estimate the regression effects in the Generalized BINMA(1) (GBINMA(1)) process. The method provides consistent parameter estimates but, in the intermediate computations, moment estimating equations were used to estimate the serial- and cross-correlation parameters. This procedure may not result optimal parameter estimates, in particular, for the regression effects. This paper provides an alternative simpler GBINMA(1) process based on multivariate thinning properties where the main effects are estimated via a robust generalized quasi-likelihood (GQL) estimation approach. The two techniques are compared through some simulation experiments. A real-life data application is studied. 相似文献
44.
In this paper, we analytically derive the exact formula for the mean squared error (MSE) of two weighted average (WA) estimators for each individual regression coefficient. Further, we execute numerical evaluations to investigate small sample properties of the WA estimators, and compare the MSE performance of the WA estimators with the other shrinkage estimators and the usual OLS estimator. Our numerical results show that (1) the WA estimators have smaller MSE than the other shrinkage estimators and the OLS estimator over a wide region of parameter space; (2) the range where the relative MSE of the WA estimator is smaller than that of the OLS estimator gets narrower as the number of explanatory variables k increases. 相似文献
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Barbara Bulc Cassie Landers Katherine Driscoll 《Journal of Technology in Human Services》2018,36(1):69-75
ABSTRACTThe increasingly complex and rapidly changing global health and socioeconomic landscape requires fundamentally new ways of thinking, acting, and collaborating to solve growing systems challenges. Cross-sectoral collaborations between governments, businesses, international organizations, private investors, academia, and nonprofits are essential for lasting success in achieving the Sustainable Development Goals (SDGs), and securing a prosperous future for the health and well-being of all people (United Nations, n.d.). Our aim is to use data science and innovative technologies to map diverse stakeholders and their initiatives around SDGs and specific health targets—with particular focus on SDG 3 (Good Health & Well Being) and SDG 17 (Partnerships for the Goals)—to accelerate cross-sector and multidisciplinary collaborations. Initially, the mapping tool focuses on Geneva, Switzerland as the world center of global health diplomacy with over 80 key stakeholders and influencers present. As we develop the next level pilot, we aim to build on users’ interests, with a potential focus on non-communicable diseases (NCDs) as one of the emerging and most pressing global health issues that requires new collaborative approaches. Building on this pilot, we can later expand beyond only SDG 3 to other SDGs. 相似文献
48.
卡伦在清代边防中占有重要地位,见证了中国边界的变迁和中国屈辱百年的历史进程。在维护统一多民族国家各项事业的发展、增进各民族的交往、沟通边地与内地的联系等方面,卡伦起到了推动作用。 相似文献
49.
韦静 《合肥工业大学学报(社会科学版)》2006,20(3):185-188
文章着重探讨了电视成就报道的创新方法,在理念上提出以个性化的受众为中心、结合电视传播特点、贴近工作实际;具体方法上则提出以四个方面为突破口,即:通过个人化的视角,贴近生活;用理性思维诠释热点;用情节化的叙述,加深人们的理解;调动多种电视表现手段,增强视觉冲击力. 相似文献
50.
物联网即将引发的社会冲击尚未得到足够的重视。预计物联网的社会冲击超过互联网,应大力加强物联网与社会研究。物联网将在社会各个层面上推动社会变革,加速社会变迁的大趋势,导致一系列社会问题,应预先考虑应对策略。 相似文献