Do ongoing networks block out new friends? Reconciling the embeddedness constraint dilemma on new alliance partner addition

Research Summary: This study addresses a theoretical dilemma regarding how alliance network constraint (reflected by network cohesion) affects a firm’s alliance formation with new partners. Using a network pluralism approach, we separate a firm’s ego alliance network into two activity‐based networks—an exploratory network and an exploitative network—based on the primary value chain activity involved in each alliance. We argue that the cohesion of exploratory or exploitative networks has an inverted U‐shaped effect on the addition of new partners in the same activity‐based network, and a positive effect on the addition of new partners in the other network. Results based on data from the biotechnology industry largely support our predictions with one exception. Our study contributes to both scholarly understanding of network embeddedness and alliance practice. Managerial Summary: The structure of firms’ ongoing alliance networks may have paradoxical implications for their efforts to search for and form alliance with new partners. That is, when a firm’s alliance partners are tightly connected with each other, the cohesive network tends to both encourage and impede the focal firm to add new partners. We resolve this dilemma by showing that when a firm is deeply entrenched in a cohesive alliance network conducting a certain type of activities (e.g., R&D activities), it may not easily add new R&D alliance partners. However, it may still be able to escape from the cohesive R&D alliance network by seeking new partners conducting other activities (e.g., manufacturing activities).     

Using a network data envelopment analysis model to assess the efficiency and effectiveness of cultural tourism promotion in Taiwan

The importance of tourism promotion has been discussed throughout past studies, and the consequences of ineffective promotion have also been investigated. While tourism promotion is a topic of interest to many researchers, performance measurement used to assess the effectiveness of tourism promotion is a topic seldom discussed. The purpose of this study is to develop an approach based on the data envelopment analysis (DEA) model to evaluate performance for tourism promotion. The main difference compared with previous DEA models is the evaluation of multiple efficiencies in a single DEA implementation, and the assessment of overall efficiency in a ratio index. In the assumption of variables, we use cultural tourism promotion as a foundation in formulating the empirical evaluation, and we test the proposed model by using data across 20 regions in Taiwan.     

中国制造2025的碳减排目标会实现吗

2016年～ 2025年是我国实施制造强国战略的第一个十午,也是对我国碳减排目标的实现程度进行检验的十年,因而预测制造业的碳排放并做好阶段性控制工作,是我国制造业实现绿色发展的首要任务.基于Kaya恒等式,引入能源结构、高碳产业比例、人民币汇率、加入WTO等变量,构建制造业碳排放协整方程,发现我国制造业的碳排放增长与人均增加值、能源强度、能源碳强度、高碳产业比例之间存在长期均衡关系;再预测出2025年制造业在积极情景、消极情景、基准情景下的碳排放水平及2020年～ 2025年制造业碳排放的平均增速;然后采用蒙特卡罗模拟方法对2025年碳排放可能的取值范围进行模拟,得出我国制造业2025年的碳排放水平值;最后依据产业结构失衡度倒推产业结构的合理化发展,得出未来十年我国制造业细分行业的碳排放构成比例,为制造业、进而为中国经济2020年～2025年碳减排目标的实现勾勒出碳排放路线图.     

PPP模式下成都市地方政府融资风险防范研究

PPP模式是一种新的社会资本与政府结合的融资方式, 自英国政府成功应用这一模式后, PPP项目便开始在全球各地发展起来。事实证明, PPP模式能够缓解地方政府的融资问题, 加快公共基础设施的建设, 但是目前我国对这一模式的认识还不够深入, 特别是在这一模式之下对地方政府可能存在的融资风险及如何防范认识不足。因此, 本文先简要介绍了PPP模式及其现状, 然后重点以成都市地方政府为例, 对其在PPP模式下可能出现的融资风险和防范措施进行了研究。     

An empirical examination of IPO underpricing in the Chinese A-share market

Research in the literature shows that initial public offerings (IPOs) of common stocks are systematically priced at a discount to their subsequent initial trading price. The large underpricing magnitude in the Chinese IPO market has attracted much attention. We consider three hypotheses that may explain the IPO underpricing in China. These are the winner's curse hypothesis, the ex ante uncertainty hypothesis and the signaling hypothesis. Among these hypotheses, the winner's curse hypothesis has not been tested in the Chinese market. Using IPO data for online fixed-price offerings from November 1995 to December 1998, our results show that the winner's curse hypothesis is the main reason for the high IPO underpricing in China. The signaling hypothesis is not empirically supported in the Chinese market during the sample period.     

气垫带式输送机的设计与创新

气垫带式输送机已历经30年,其发展历程,几经＂沉痛＂,终成正果。技术创新是新产品的生命线,将技术创新融入新产品的设计中,新产品就有强大的生命力。随着气垫带式输送机技术性能的不断提高和发展,这一令人瞩目的环保节能产品,必将为低碳经济时代做出新贡献。     

气垫输送机供风装置的设计

供风装置是气垫带式输送机的关键技术之一，精心搞好供风装置的设计可大大提高气垫带式输送机的技术性能，拓宽其使用范围。作者在总结多年设计供风装置成功经验和存在问题的基础上，研制成功了对称供风分风分流型供风装置。实践证明，运行效果良好，其经验可供同行借鉴。     

经济地理与外资企业的区位选择

本文利用2004～2008年我国546类制造行业的省级面板数据,从新经济地理学的视角,研究了外资企业进入中国各省市区的决定因素。结果表明,各地的市场潜力、贸易成本、地理位置等新经济地理的因素对现阶段外资企业的区位选择有显著的影响,而传统FDI理论所关注的因素如工资成本、优惠政策等对外资企业的区位选择影响不显著。另外,本文还发现了各地区间还普遍存在着不同程度的市场分割现象,这会阻碍外资企业和FDI在省际的自由流动。这些结论对我国各地区今后有针对性地实施吸引外资企业和FDI的政策有一定借鉴意义。     

安徽省上市公司经营业绩评价研究

选取安徽省2009年度上市公司的年报数据,在构建上市公司经营业绩综合评价指标体系的基础上,应用多元统计分析中的因子分析方法对安徽省上市公司经营业绩进行实证研究,得到综合评价结果,从中可以看出安徽省上市公司的经营业绩各方面的优劣势。