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1.
不同网络嵌入方式对企业创新绩效的影响是存在显著差异的。构建了网络嵌入、学习能力和技术创新绩效之间的理论模型,通过运用结构方程模型对广东省高新技术与民营科技型企业为样本的问卷调查数据进行实证分析。研究结果表明:(1)网络结构嵌入对技术创新绩效没有直接的显著影响,也无法通过学习能力的中介对其产生间接的影响作用;(2)网络关系嵌入对技术创新绩效不仅有直接显著的正向影响,而且还能通过学习能力的部分中介作用对技术创新绩效起到显著的正向影响;(3)在小规模企业中,网络密度对于技术创新绩效的作用并不显著。研究结论进一步深化了技术创新理论,对企业技术创新的提升有一定指导意义。 相似文献
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在文献回顾的基础上提出网络能力、资源获取和技术创新绩效之间的假设模型,并以西安市215家科技型小微企业为研究样本,对整体模型进行实证分析。研究结果表明:科技型小微企业网络能力对信息获取、知识获取和资金获取均有显著的正向影响;信息获取和知识获取在科技型小微企业网络能力与技术创新绩效之间起部分中介作用;资金获取对科技型小微企业技术创新绩效不产生显著影响。研究结论为科技型小微企业的技术创新活动提供一定的指导和借鉴。 相似文献
3.
网络关系强度作为表征企业网络的重要变量之一,理论界关于其对企业技术创新的影响尚存在较大的争议。本文以企业规模和研发投入作为控制变量,构建了网络关系强度、企业学习能力和技术创新三者之间的关系理论模型,并以申报广东省高新技术企业和民营科技型企业的企业为调查对象进行了实证检验。研究发现:(1)企业网络关系强度和学习能力都对技术创新存在着显著的正向影响。(2)企业学习能力在网络关系强度和技术创新之间起到不完全中介作用。(3)在小规模企业中,这三者之间并不存在相互影响的关系。本研究进一步深化了前人的研究结论,对组织网络及技术创新的相关研究都有学术贡献。 相似文献
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本文以企业规模、研发投入和网络成员集聚程度作为控制变量,构建了网络非重复性、企业学习能力和技术创新三者之间关系的理论模型,并以申报广东省高新技术企业和民营科技型企业的458家企业为调查对象进行了实证检验.研究结果发现:网络非重复性对企业技术创新存在显著的负向影响,但这种负向影响并没有在高集聚环境的企业中出现;学习能力对技术创新存在显著的正向影响;企业学习能力在网络非重复度和技术创新之间起完全中介作用,但在低集聚环境的企业中只起不完全中介作用;在小规模企业中,这三者之间并不存在相互影响的关系.本研究进-步深化了前人的研究结论,对组织网络及技术创新的相关研究都有学术贡献. 相似文献
5.
The impact of network ties strength and enterprises＇ learning capability on the technological innovation 
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下载免费PDF全文 《科研管理》2012,33(2)
网络关系强度作为表征企业网络的重要变量之一,理论界关于其对企业技术创新的影响尚存在较大的争议。本文以企业规模和研发投入作为控制变量,构建了网络关系强度、企业学习能力和技术创新三者之间的关系理论模型,并以申报广东省高新技术企业和民营科技型企业的企业为调查对象进行了实证检验。研究发现：（1）企业网络关系强度和学习能力都对技术创新存在着显著的正向影响。（2）企业学习能力在网络关系强度和技术创新之间起到不完全中介作用。（3）在小规模企业中,这三者之间并不存在相互影响的关系。本研究进一步深化了前人的研究结论,对组织网络及技术创新的相关研究都有学术贡献。 相似文献
6.
针对中小企业技术创新难题,从技术联盟网络嵌入性的视角出发,构建不同网络关系嵌入主体对中小企业技术创新绩效影响的概念模型,探讨了不同关系嵌入主体、组织间学习能力和技术创新绩效的内在关系和影响机理,并利用239份中小企业有效样本数据进行实证分析。结果表明:商业网络关系嵌入、技术网络关系嵌入和政府网络关系嵌入均对技术创新绩效产生了显著的正向影响;组织间学习能力在商业网络关系嵌入、政府网络关系嵌入与技术创新绩效间起到完全中介的作用,而在技术网络关系嵌入与技术创新绩效间起到部分中介的作用。 相似文献
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本文通过我国汽车产业200家企业1996~2010年专利、标准与企业性质的面板数据,采用负二项随机效应回归模型,实证分析了相关和非相关技术多元化与企业技术创新绩效之间的关系,并检验了技术标准化能力对二者间关系的影响。研究结果表明：相关技术多元化与企业技术创新绩效呈正相关,技术标准化能力显著负向调节二者之间的关系;非相关技术多元化与企业技术创新绩效呈倒U型关系,技术标准化能力显著正向调节非相关技术多元化与企业技术创新绩效之间的正向关系。研究结论丰富了技术多元化与创新绩效关系的研究,为我国企业构建合理的技术多元化战略提供了理论指导。 相似文献
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如何通过网络能力提升竞争优势、改善企业创新绩效一直是众多学者关心的问题。然而,以往研究忽略了开放式创新对二者关系的重要影响。本文探讨了开放度和网络能力之间的关系以及它们如何作用于创新绩效。以我国制造业的206家企业为样本进行了实证检验。研究发现,网络战略能力、网络过程能力和网络关系能力对创新绩效有显著的正向影响。而且网络战略能力、网络关系能力均和开放度对创新绩效有显著的正向交互影响。另外,开放广度越大,企业发展网络战略能力越有助于提高创新绩效;而开放深度越大,发展网络关系能力越有助于提高创新绩效。 相似文献
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在对企业社会资本进行回顾的基础上,将网络中企业社会资本划分为内部社会资本与外部社会资本两种类型,以此构建了"网络关系—内外部社会资本—技术创新"理论模型,并以珠三角地区四个产业园区的916家民营企业为调查对象进行了实证研究。研究发现,网络关系对内外部社会资本和企业技术创新都有显著的正向影响,内外部社会资本在网络关系和技术创新绩效之间均起到部分中介作用。此外,研究还探讨了企业规模和研发投入对于网络关系、内外部社会资本与技术创新之间的关系的影响,并讨论了相关理论贡献与实践启示。 相似文献
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《中国科学院院刊(英文版)》2008,22(1):2-3
CAS should stick to the principle of rendering service to, and giving impetus for, the development of China＇s science enterprise by making S＆T innovations, said CAS President LU Yongxiang. The CAS president made the remarks in a recent talk to communicate the gist of the winter session of the Party＇s Leading-member Group at CAS, which was held from 7 to 11 January in Beijing. 相似文献
12.
Marjorie Armstrong-Stassen Margaret Landstrom Ramona Lumpkin 《The Information Society》1998,14(2):153-164
This study examined how students who had no prior experience with videoconferencing would react to the use of videoconferencing as an instructional medium. Students enrolled in seven different courses completed a questionnaire at the beginning of the semester and again at the end of the semester. Students at the origination and remote sites did not differ in their reactions toward videoconferencing but there was a significant difference for gender. Women reacted less favorably to videoconferencing. Compared to the beginning of the semester, students reported significantly less positive attitudes toward taking a course through videoconferencing at the end of the semester. There were no significant differences in students' attitudes toward videoconferencing across courses at the beginning of the semester but there were significant differences across the courses at the end of the semester. The results suggest the need for better preparation for both students and instructors. 相似文献
13.
《中国科学院院刊(英文版)》2008,22(1)
With great care, Dr. ZHOU Zhonghe takes out a package wrapped by cotton tissue from a drawer and says: "This is the gem of our collections: the fossil of a bird that lived 125 million years ago!" Then, pointing at a tiny mound, he explains: "Look, this is the claw and that is the head. It was in the egg shell and ready to hatch ... The species fell into a family of waterside inhabitants." 相似文献
14.
A joint study by Prof. ZHANG Zhibin from the CAS Institute of Zoology his co-workers from Norway US Swiss have indicated that historical outbreaks of migratory locusts in China were associated with cold spells suggesting that China's projected climate warming could decrease the pest's numbers. The study was published in Proceedings of the National Academy of Sciences on September .…… 《中国科学院院刊(英文版)》2008,22(1):6-7
Ajoint study by Prof. ZHANG Zhibin from the CAS Institute of Zoology and his co-workers from Norway, US and Swiss have indicated that historical outbreaks of migratory locusts in China were associated with cold spells, suggesting that China＇s projected climate warming could decrease the pest＇s numbers. The study was published in Proceedings of theNational Academy of Sciences on 17 September, 2007. 相似文献
15.
Caroline Haythornthwaite 《The Information Society》2001,17(3):211-226
A computer-mediated group is a complex entity whose members exchange many types of information via multiple means of communication in pursuit of goals specific to their environment. Over time, they coordinate technical features of media with locally enacted use to achieve a viable working arrangement. To explore this complex interaction, a case study is presented of the social networks of interactions and media use among members of a class of computer-supported distance learners. Results show how group structures associated with project teams dominated who communicated with whom, about what, and via which media over the term, and how media came to occupy their own communication niches: Webboard for diffuse class-wide communication; Internet Relay Chat more to named others but still for general communication across the class; and e-mail primarily for intrateam communication. Face-to-face interaction, occurring only during a short on-campus session, appears to have had a catalytic effect on social and emotional exchanges. Results suggest the need to structure exchanges to balance class-wide sharing of ideas with subgroup interactions that facilitate project completion, and to provide media that support these two modes of interaction. 相似文献
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Electronic data interchange (EDI) provides means for interorganizational communication, creates network externalities, requires an advanced information technology (IT) infrastructure, and relies on standards. In the diffusion of such innovations, institutional involvement is imperative. Such institutions contain governmental agencies, national and global standardization organizations, local government, and nonprofit private organizations like industry associations. The last type of organizations we call intermediating institutions. They intermediate or coordinate ("inscribe") the activities of a group of would-be adopters. Unfortunately, little is known of how these organizations shape the EDI diffusion trajectory. In this article we examine one specific type of intermediating organizations?industry associations?and how they advanced the EDI diffusion process in the grocery sectors of Hong Kong, Denmark and Finland. We identify six institutional measures, placed into a matrix formed by the mode of involvement (influence vs. regulation) and the type of diffusion force (supply push vs. demand pull), that can be mobilized to further the EDI diffusion. Industry associations were found to be active users of all these measures to varying degrees. Their role was critical especially in knowledge building, knowledge deployment, and standard setting. Furthermore, institutional involvement varied due to policy and cultural contingencies and power dependencies. 相似文献
17.
Puay Tang 《The Information Society》1998,14(1):19-31
The increasing prospects of digital piracy has prompted the perceived need by electronic publishers to adopt technical systems of protection, and governments to reform their copyright laws. This article is a preliminary study of the management of intellectual property by electronic publishers, defined as those involved in the production of online databases, and CD-ROMs. It focuses on three main issues: (1) how electronic publishers view the increasing threat of piracy; (2) the methods of protection employed to protect intellectual property in digital format; and (3) the importance of technological protection of intellectual property in electronic publications. The analysis is based on a sample of 23 UK electronic publishers. The interviews revealed an interesting assortment of protection methods and did not show that technological protection was a preferred way. Instead, the means of protection, in addition to copyright law, comprised niche markets, pricing, trust, bad publicity, and nontechnical and technical means. 相似文献
18.
Milton Mueller 《The Information Society》2001,17(3):151-163
Long-standing conflict between domain name registrants and trademark holders prompted the Internet Corporation for Assigned Names and Numbers (ICANN) to create a global, mandatory arbitration procedure known as the Uniform Dispute Resolution Policy (UDRP). The UDRP has been used in 2166 cases involving 3938 domain names as of 1 November 2000. The policy gives the initiator of a complaint, generally a trademark holder, the right to choose which ICANN-accredited dispute resolution service provider (RSP) will handle the case. During the preparation of the UDRP,some feared that complainant selection would lead to "forum shopping" that might bias the results. This article performs a statistical assessment of the forum-shopping thesis and finds support for it. There are statistically significant differences in the various RSPs' propensity to take away names from defendants; there are also major differences in the number of cases brought to each RSP. RSPs who take away names have the larger share of cases. The study examines other variables that might explain differences in market share, such as price, the plaintiff's nationality, or the time taken to decide a case. It finds that nationality and time also are correlated with market share. The study concludes that shopping for a favorable outcome is an important factor in the UDRP. 相似文献
19.
Prof. Raymond C.K. Chen a neuropsychologist with the CAS Institute of Psychology has made novel progress in his studies of schizophrenia. His work has been reported by a recent issue of Behavioural Neurology.…… 《中国科学院院刊(英文版)》2008,22(1):15-15
Prof. Raymond C.K. Chen, a neuropsychologist with the CAS Institute of Psychology, has made novel progress in his studies of schizophrenia. His work has been reported by a recent issue of Behavioural Neurology. 相似文献
20.
Prof. SUN Changpu from the CAS Institute of Theoretical Physics coworkers from University of Basel in Switzerland have worked out a way - at least in theory - to split a beam of molecules according to their chirality. The technique involves passing the molecules through three different laser beams is similar to the famous Stern-Gerlach effect whereby a beam of atoms passing through a magnetic field is split in two according to the atoms' spin states 《中国科学院院刊(英文版)》2008,22(1):23-23
Prof. SUN Changpu from the CAS Institute of Theoretical Physics and coworkers from University of Basel in Switzerland have worked out a way --at least in theory --to split a beam of molecules according to their chirality. The technique involves passing the molecules through three different laser beams and is similar to the famous Stern-Gerlach effect, whereby a beam of atoms passing through a magnetic field is split in two according to the atoms＇ spin states （Phys. Rev. Lett. 99 130403）. 相似文献