Corroborating social media echelon in cancer research

Worldwide medical facilities differ, and for this reason, the causes of death can vary. Cancer is considered the second leading cause of death after heart disease worldwide, and the same causes of death are observed in the United States (US). Therefore, the purposes of this study are to explore worldwide research levels in the field of cancer and the social collaboration of researchers and institutions in this field. This article examines the structural patterns of international co-authors and co-institutions in science citation index papers in cancer research. The study uses measures from the social network analysis method, including degree centrality, betweenness centrality, eigenvector centrality, and effectiveness, to investigate the effects of social networks in the area of cancer research. Empirical analysis results identify the US is the most central country, followed by Germany, Italy, France, and China, in terms of co-authored networks in this research field. Institutional analysis results indicate that the University of Milan is at the top in terms of degree centrality. The Gustave Roussy Cancer Campus in France and German University of Düsseldorf occupy the second and fourth positions, respectively. The University of California in Los Angeles and Harvard University, both in the US, are at third and fifth positions, respectively.     

The impact of dual network structure on firm performance: the moderating effect of innovation strategy

ABSTRACT

Firm innovation is embedded in a collaboration network among researchers and a knowledge network composed of knowledge elements; the two networks are decoupled. Guided by social network theory, this study puts forward the definition and the classification of firm dual network structure, probes into the influence of dual network structure on firm performance, and explores the alignment between innovation strategy and firm dual network structure. We conduct an empirical study of 183 listed companies in China from 2004 to 2018. It is found that the four types of dual network structure all have positive impacts on firm performance, and the impact of a collaboration network is slightly higher than that of a knowledge network. Besides, innovation strategy plays a positive moderating role in the relationship between dual network structure and firm performance. Our findings provide new ideas for firms to identify and optimise knowledge and collaboration network structures and match them with innovation strategy to improve performance.     

浅议CPA审计行业专门化问题

随着我国市场经济体制改革的不断完善,CPA审计行业所面临的社会环境也因此而产生了重大的变化。伴随着社会对审计人员的严格要求,审计人员的素质也在不断提高。当然,这对CPA这个行业无疑也产生了深深的影响,同时也对行业的专门化也起到了潜移默化的推动作用。因此在本文中,将会立足于注册会计师审计实务,通过具体分析行业专门化的竞争优势和目前的发展趋势,讨论审计行业专门化可能带来的经济后果,并且与多个上市公司的案例相结合,运用案例分析法、经验总结法、描述分析法等方法合理透彻地剖析出目前CPA审计行业所存在的问题,以及对已经存在的问题作出具体解决方案。     

Is it still economic to build a new coal-fired power plant in the U.S.? A real option analysis

In the U.S., virtually no new coal-fired power plants have been built in recent years. Both industry experts and academics seem to believe that no rational firm will build a new coal-fired plant. Will such a trend continue in the future? To provide insights into this question, we investigate the optimal decision of an electricity company with an irreversible and deferrable opportunity to build either a new coal-fired or natural gas-fired power plant as its new base-load resource. According to our real option analysis, the optimal decision depends on the location. In the case of the eastern U.S., it is optimal to choose a natural gas plant if a firm is given a choice among a new natural gas plant, a new coal plant and deferring the investment. However, contrary to the common sentiment in the industry and academia, building a new coal plant in the western U.S. is still more economical than building a new natural gas plant in the absence of emission pricing. Furthermore, introducing carbon pricing to western U.S. states, as California did, can substantially increase the probability that a firm will optimally choose a natural gas plant over a coal plant.     

后WTO时代深圳经济特区利用外商投资的策略

<正> 24年来,深圳经济特区依赖“以开放促改革,以改革促发展” 的独特成长道路,创造了持续高速增长的经济奇迹。外商投资经济不仅构成深圳经济特区重要的微观基础,而且外商投资作为对外开放的最重要内容,有力促动了经济特区的体制改革和经济社会发展。加入世贸后,我国根据对外经济贸易政策统一性原则所作出的承诺,使经济特区利用特殊的政策吸引外商投资的作法受到一定约束,虽然经济特区的一些特殊经济政策仍然可以保留,但必须转换思路,主要依靠先行优势和移民城市具有的大量战略性资产,参加跨国公司本土化,培育深圳经济特区核心竞争力,建成世界经济中心之一。     

湖南上市公司投资吸引力分析

运用因子分析法,对湖南省46家上市公司2007年的财务报表进行分析;选取9个原始变量,提取了两个公共因子,得出上市公司投资吸引力的综合得分和排名,以期为上市公司和投资决策者提供一定参考。     

船舶柴油机轴瓦早期失效分析及防止措施

船舶柴油机轴瓦的正常失效形式,应是发动机停、开的瞬间所产生的摩擦磨损值累计达到磨损极限而不能再继续使用.引起轴瓦早期损坏的因素比较复杂,其形式又多种多样,对船舶柴油机来说,其轴瓦的主要损坏形式有早期摩损,疲劳剥落,咬轴烧瓦、腐蚀等几种.     

地方炼油企业生存现状及发展对策分析

地方炼油企业,可以说是中国的一大特色.在我国,地方炼油企业是指那些不在国家石油公司名下,有地方政府或民营资本投资的炼油企业.从地炼企业诞生以来,始终生存在政策与市场的夹缝中.由于身份上的"先天不足"外加政策上的"后天掣肘",地炼企业的生存与发展可谓险象环生,因此地炼企业基于生存压力,使他们练就一身应付危机的本领.本文通过对山东地方炼油企业发展现状、制约企业发展的因素等方面进行分析,试图寻找相应的对策,以期对地方炼油企业的发展有一定的裨益.     

The effect of buyer feedback scores on internet auction prices

One of the major roles of Internet intermediaries is to help build trust between buyers and sellers for efficient and safe transactions. The buyer feedback system started in online auctions as one of the trust‐building mechanisms on the Internet. As the buyer feedback system is becoming a standard trust‐building mechanism in other e‐commerce sites as well as in online auction, there is an increasing interest about the impact of the buyer feedback system. On the top of recent studies investigating the effects of buyer feedback scores on auction prices, we provide empirical validations using more sophisticated methods. In this study, we tested the relationship between buyer feedback scores and bidding prices using an empirical data set from a leading consumer‐to‐consumer (C2C) Internet auction site. Data analysis results show a strong empirical validation of previous studies. Negative feedback is a significant price discount factor in the final auction price on the C2C Internet auction market. The results also show that potential buyers are more sensitive to negative feedback when they are considering buying inherently risky products such as used or refurbished products.     

Information richness on service business websites

Delivering rich information is the key success factor for service business websites. Numerous studies have investigated useful guidelines to deliver rich information. The implicit assumption made by these studies is individual homogeneity. This study argues that this is only one side of the story, as individual heterogeneity is also important. Specifically, this study questions relationships between personal dispositional factors and the person’s perception of information richness. Dispositional factors of interest are age and personality. This study adopted information processing theory as its theoretical lens. A review of literature through the lens leads to the development of six hypotheses. The insurance industry provided the context of this study. Data were collected from 110 potential customers of 10 insurance organizations. The Hierarchical Linear Modeling technique was utilized for model building and hypotheses testing. The result revealed that aging individuals often find information as low in richness. Furthermore, those with high consciousness and extraversion generally perceived information as higher in richness. Lastly, the other three dimensions of personality showed no association with information richness.