软聚硅酮泡沫吸收敷料(美皮康)治疗压疮的循证药物经济学研究

目的 综合评价软聚硅酮泡沫吸收敷料(美皮康)在压疮治疗中的有效性与经济性.方法 通过文献研究,进 行规范化系统评价,结合临床治疗数据,应用决策树模型进行成本效果分析.结论 研究结果表明美皮康在产品疗效、综合成本和改善患者疼痛等诸多因素上的表现与传统的无菌纱布相比存在明显优势.     

供电服务品质维度对用户满意的影响研究

一、引言 电力是国民经济的基础性能源，对国民经济的发展起着重要的支持和保障作用。同时，电力也是广大人民群众生活所必需的能源。所以，电力市场运行的好坏，直接影响国民经济的安全运行和健康发展，是关系国计民生的大事。所以，对供电企业提供的产品与服务就提出了更高的要求，供电企业不仅要为客户提供安全、优质、方便、清洁的电能，     

试析外商直接投资对我国民族工业的控制

在去年3月4日召开的政协经济组联席会上,国家统计局前局长李德水做了题为《继续积极有效利用外资不断提高对外开放水平》的发言,直言对外资垄断性并购我国企业应保持足够关注。可见,外商直接投资对我国民族工业的控制倾向已初露端倪。为此,文中首先从产业、市场和品牌三方面分析了外商直接投资对我国民族工业的控制迹象;其次指出产生这种迹象的自身原因;最后针对原因提出一些建议。     

科技人才集聚对中国区域科技创新效率的影响

基于2005-2015年省际面板数据,构建超越对数随机前沿距离函数模型,借鉴产业区位熵思想,研究科技人才集聚对中国区域科技创新效率的影响。结果表明,科技创新效率存在区域差异,东部地区高于中部、西部、东北地区,西部最低;科技人才集聚规模和均衡度与区域科技创新效率显著正相关,强度与区域科技创新效率显著负相关。鉴于此,为提高区域科技创新效率、缩小区域差异,我国政府应全方位培育并吸引科技人才,合理引导科技人才流动、整合科技人才资源。     

我国高技术服务业研发机构科技创新效率评价

构建了高技术服务业研发机构科技创新效率评价指标体系。利用2010—2011年我国高技术服务业7个细分行业研发机构的科技创新活动数据,运用数据包络分析法,测度了2010—2011年我国高技术服务业7个细分行业研发机构的科技创新效率,比较了各细分行业研发机构的科技创新效率差异,并分析其原因。进而利用理想点模型,对2010—2011年我国高技术服务业研发机构的科技创新效率进行了排名。研究结果显示:我国高技术服务业研发机构的科技创新效率总体良好,但行业差异较大。最后,提出促进我国高技术服务业发展的对策建议。     

信息化水平与技术创新能力的协整关系——基于2005—2010年中国工业行业面板数据的实证分析

利用2005—2010年中国工业37个细分行业的面板数据,运用面板单位根检验、面板协整检验、面板协整估计等方法检验了信息化水平、市场化水平、行业利润等因素对中国工业技术创新能力的影响。利用多种协整检验方法所得的结果一致表明,信息化水平、市场化水平、行业利润等与中国工业技术创新能力之间存在长期稳定的均衡关系;面板协整估计结果表明,信息化水平显著促进了中国工业技术创新能力的提升,但该影响具有明显的时序差异。     

The effects of multilateral trading systems on risk and return in equity markets

The event study methodology of Brown and Warner (1985) is adopted and augmented to evaluate the effect of the launch of multilateral trading systems on risk and return in equity markets. The methodology is supplemented with various techniques, such as the nonparametric ranking test and kernel regression, to find out if announcements about the introduction of Chi-X Australia generated abnormal returns (ARs). Asset pricing models are fitted with interaction variables, while GARCH, threshold ARCH (TARCH), exponential GARCH (EGARCH) and power-ARCH (PARCH) are used to determine changes in systematic risk. We find evidence in favour of Fisher’s separation theorem and detect a new market anomaly, which we call the ‘Fisher market anomaly’. Our results show that Chi-X system testings affect ARs. Consistent with the adaptive expectations theory, we confirm that the first announcement about the launch of Chi-X affected systematic risk the most. In addition, we identify industry and firm effects in risk analysis.     

Market overreaction and investment strategies

We investigated the overreaction of the Korean market in response to shocks in the US stock market, and analysed the dynamic relationship between these two markets since 1996. We found that the KOSPI 200 index futures overreacted to the S&P 500 index returns during the period from 2000 to 2009 when the Korean market was in its growth stage. As the Korean market matured and the KOSPI 200 overnight futures were introduced in 2009, the overreaction disappeared. When investors employed the Kelly model or Value-at-Risk to exploit the overreaction, their trading strategies produced significant profits during the growth stage even after considering transaction costs and risk, but the profits attenuated once the overnight futures market was launched in 2009.     

Who Gains from Boycotts? A Welfare Analysis of Consumer Activism

This paper explores the welfare consequences of product boycotts by linking product and labor markets. Consumers' threat of boycott can affect the firm's decision such as production location, size of operation and wage rate. Such conscientious action, however, can actually result in a welfare loss of the workers of concern as well as consumers themselves. The analysis suggests that consumers set their goals by studying the labor market and coordinating with local groups rather than demanding what may seem righteous.     

Asymmetric first-price menu auctions under intricate uncertainty

This paper studies asymmetric first-price menu auctions in the procurement environment where the buyer does not commit to a decision rule and asymmetric sellers have interdependent costs and statistically affiliated signals. Sellers compete in bidding a menu of contracts, where a contract specifies a vector of characteristics and a payment required from the buyer for delivering these characteristics. The buyer does not commit ex-ante to a decision rule but rather upon observing all the menus offered by sellers chooses the best contract. This paper establishes the existence of a continuum of separating monotone equilibria in this game bounded above by the jointly ex-post efficient outcome and below by the jointly interim efficient outcome. It shows that the jointly ex-post efficient equilibrium outcome is the only ex-post renegotiation-proof outcome and it is also ex-ante robust to all continuation equilibria.