环境管制对中国工业环境效率影响的空间面板数据分析

环境管制是政府环境保护的一种有力工具,企业是否选择更优的环境效率生产方式不仅仅取决于企业内部的环境管理能力,更取决于政府环境管制力度的大小。本文在采用SBM-Undesirable模型测度了中国30个省（市）2000—2010年的工业环境效率后,借用空间面板回归模型发现,政府环境管制具有明显的空间溢出效应,工业环境效率也呈现一定程度上的空间集聚现象,传统的面板回归模型因没有考虑空间相关性而低估了这一作用。由于排污费征收制度不尽合理以及＂污染避难所效应＂的存在,目前排污费收入一定程度上降低了工业环境效率。因此,中国应根据区域间的空间差异性有针对性地制定区域协调发展政策,应充分考虑相关产业对环境效率的影响,科学地制定产业规划和优化产业布局,推进形成跨区域间良好的环境合作机制,促进区域经济协调发展。     

N_2—局部连通图的圈扩张与点泛圈

文[2]证明了每个连通,N_2——局部连通,无爪、又δ≥2,且不含同构于G_1或 G_2的导出子图的图具有圈扩张性。本文在同样前题下,在含导出于图 G_1、G_2时得具有[2]中结论的一类图。     

Best friend or broken tool? Exploring the co-existence of humans and artificial intelligence in the workplace ecosystem

Artificial intelligence (AI) has become an important topic in business literature and strategy talk. Yet, much of this literature is normative and conceptual in nature. How organizational members perceive AI and the job role changes that come with it is, so far, largely unknown territory for both HR scholars and practitioners. We sought to investigate the relationship between humans and AI and conducted an in-depth exploratory study into the co-existence of humans and two early-stage AI-solutions, one for “low-status” automation and another for “high-status”; augmentation. We suggest that different organizational groups may engage in distinctly different sensemaking processes regarding AI, an important insight for successful HRM strategies when AI is being introduced into the workplace. Moreover, contrary to recent conceptual work, our findings indicate that AI-enabled automation and augmentation solutions may not be detached from nor exist in tension with each other. They are deeply embedded in organizational processes and workflows for which people who co-exist with the technologies must take ownership. Our findings, in part, go against discussions on AI “taking over” jobs or deskilling humans. We describe a more nuanced version of reality fluctuating around the various ways different organizational groups encounter different AI-solutions in their daily work. Finally, our study warns against unconditional technological enthusiasm, managerial ignorance of the nature of work that employees undertake in different organizational groups, and a neglect of the time and effort required to successfully implement AI-solutions that affect not only the home organization but also members of the broader ecosystem.     

京津冀科技园区科技创新与政府协同治理效应研究

推进科技园区协同创新成为京津冀三地政府实施协同治理的重要抓手和主要着力点。聚焦三地科技园区协同创新情况，运用复合系统协同度方法，对2014—2019年京津冀国家级科技园区创新协同度与有序度进行度量。研究结果显示，2014—2019年京津冀三地国家科技园区的创新协同度与有序度总体呈现上升趋势，但协同创新关系仍不稳定。因此，应破除行政壁垒，构建跨区域合作治理模式与利益共享机制，推动特色产业集群形成。     

TD-SCDMA通信基站架设的分层多目标优化模型

从.TD-SCDMA通信基站架设中所涉及的架设成本、通信容量,以及架设时间三方面的不同要求入手,建立经济效益与时间优化的具有优先级的分层多目标非线性规划模型,并给出求解该问题的宽容分层序列算法.最后进行试验,得到了问题的弱有效解,验证了此模型的可行性.