首页 | 本学科首页   官方微博 | 高级检索  
相似文献
 共查询到20条相似文献,搜索用时 15 毫秒
1.
蔡中华  安婷婷  侯翱宇 《软科学》2014,(11):119-122
从省际层面上对R&D投资的决定因素进行实证研究,主要关注通过外商直接投资(FDI)实现的国际技术转移、专利保护强度、经济增长以及人力资本积累和科学研究人员数量。通过极值边界分析(EBA)方法检验这些因素的稳健性和灵敏度。结果表明:高等教育和科研人员比例是对R&D强度具有积极影响的稳健决定因素,通过外商直接投资实现的外国技术流入和收入增长率对R&D投资无显著影响,专利保护强度对决定R&D投资具有稳健的积极影响。  相似文献   

2.
In this study, the determinants of private R&D investment are examined at the level of firms in the Turkish manufacturing industry. We focus our attention on the effect of public R&D support programs. Our findings indicate that public R&D support significantly and positively affects private R&D investment. There seems to be even an “acceleration effect” on firm-financed R&D expenditures. Smaller R&D performers benefit more from R&D support and perform more R&D. In addition, technology transfer from abroad and domestic R&D activity show up as complementary processes. Given the scarcity of studies on R&D support in technologically weaker economies, our hope is that the less-developed countries can exploit these findings in constructing socially beneficial technology policies.  相似文献   

3.
Stronger protection of patent rights is thought to spur innovation through securing returns to R&D investments. Those investments must be financed, however, suggesting that the responsiveness of R&D to patent reforms varies with financial development levels. We examine the joint impact of domestic and international financial-market development and patent protection on R&D intensities in 22 manufacturing industries in 20 OECD countries for the period 1990-2009. We show that stronger patent rights increase R&D intensities in patent-intensive industries, accounting for the need for external financing and the amount of tangible assets. The primary impact varies across types of financial development: patent protection raises R&D in high-patent industries where countries have more limited equity and credit markets. In contrast, in countries with more developed bond markets industry R&D is more sensitive to patent rights. Interestingly, patent rights in countries that are more exposed to foreign direct investment increase R&D intensities at all levels of financial development.  相似文献   

4.
知识产权保护宽度是激励创新企业开展研发投资的主要政策工具,它通过影响知识产权的盈利能力与获取成本,作用于研发企业和受让企业之间的知识产权交易。构建一个两企业、能力非对称的多阶段博弈模型,进行一般均衡分析,结果表明:只有在研发企业的投资支出达到一定规模后,增加保护宽度,才能提高企业收益,激励企业增加研发投资。在既定研发投资下,保护宽度的边际增加将提高技术转让成本,降低受让企业收益和社会福利水平;这一负面效果只有在实现研发投资扩张效应后,才能减缓。因此在增加保护宽度的同时,需要引入辅助措施,如对企业的研发投资采取税收优惠政策、促进企业间知识产权交易等加以协调。  相似文献   

5.
如何有效保护领先技术是现代创新型企业所面临的共同问题。本文基于2017年中国企业专利调查数据考察了研发投入、创新外包对于企业技术保护策略的影响。本研究将技术保护策略区分为维持先发、互补性资产组合与知识产权保护三类,将研发投入分解为研发强度与研发周期,依研发组织形式区分创新一体化与创新外包,实证结果发现:(1)研发强度高的企业更倾向于通过维持先发及知识产权的方式来保护技术,研发周期长的企业倾向于通过知识产权尤其是申请专利的方式来保护技术;(2)实现创新一体化的企业更倾向于综合采用维持先发、互补性资产组合及知识产权三种保护策略,实施创新外包的企业更倾向于通过互补性资产组合的方式进行技术保护;进一步细分创新外包程度发现, 随着外包程度的增加,企业会减少对维持先发、知识产权保护策略的使用,增加对互补性资产组合保护策略的使用。  相似文献   

6.
包月红  赵芝俊 《科研管理》2019,40(12):163-171
摘要:专利保护和加计扣除政策是政府保护和激励私人技术创新的重要手段。本文利用2005-2015年间77家农业上市公司公开数据,研究了专利保护和加计扣除政策对私人农业研发投入与研发投入强度的影响。结果表明,专利保护政策并未促进私人农业研发投入或者提高私人研发投入强度,而加计扣除政策则显著提高了私人的研发投入和研发投入强度。通过设置专利保护和加计扣除政策的交互项,发现专利保护的增强削弱了加计扣除政策的溢入效应。本文结论验证了已有的部分研究结论,建议进一步完善专利保护政策,加强加计扣除政策的实施广度和强度,推动国家创新体系建设。  相似文献   

7.
包月红  赵芝俊 《科研管理》2006,40(12):163-171
摘要:专利保护和加计扣除政策是政府保护和激励私人技术创新的重要手段。本文利用2005-2015年间77家农业上市公司公开数据,研究了专利保护和加计扣除政策对私人农业研发投入与研发投入强度的影响。结果表明,专利保护政策并未促进私人农业研发投入或者提高私人研发投入强度,而加计扣除政策则显著提高了私人的研发投入和研发投入强度。通过设置专利保护和加计扣除政策的交互项,发现专利保护的增强削弱了加计扣除政策的溢入效应。本文结论验证了已有的部分研究结论,建议进一步完善专利保护政策,加强加计扣除政策的实施广度和强度,推动国家创新体系建设。  相似文献   

8.
This paper investigates the determinants of R&D expenditure using a sample of UK listed companies with the highest spend from 2000 to 2005. We investigate the effect of corporate governance and ownership on R&D, using panel data. The results provide some evidence that more governance tends to depress R&D activity, a finding that is robust to whether a composite or disaggregated index of governance is used. One innovation of the paper is that we treat agency and finance effects interactively. The ownership stake of the CEO appears to be supportive for R&D.  相似文献   

9.
采用Pearson相关性分析、灰色关联分析和Granger因果关系检验方法,从相关性和因果关系的角度分析湖南省科技统计面板数据与以RD投入为代表的科技投入的相互作用关系。研究结果表明:湖南省高新技术企业数量、专利申请与授权数量、地区生产总值(GDP)和RD项目金额与其RD投入关系密切,其中高新技术企业数量与RD投入的相关性最高,且这些因素之间存在单向的作用关系,具体表现为GDP增长刺激RD投入增加,RD投入增加则进一步促进高新技术企业成长和专利成果的产出。通过分析认为,湖南省要增加RD投入、提升区域科技创新能力,应稳定经济稳增长,提高RD投入的转化水平,并合理搭配科技政策。  相似文献   

10.
《Research Policy》2022,51(7):104550
Applying a within-firm perspective to the topic of the division of innovative labor, I explore the organization of scientific discovery at the firm level — specialized or integrated with invention. Using data on inventors and authors related to U.S. publicly-traded science-performing firms for the period 1980–2015, the paper deepens our understanding of the determinants and the tradeoffs associated with the strategic choice of scientific discovery organization. I show that integration is related to a tradeoff between short-term applied R&D and long-term fundamental R&D; while integration is beneficial for invention, it has adverse effects on its scientific output, which decrease invention in the long run. The negative relationship between integration and publication reduces the direct increase in patents due to integration by approximately 90%. To better understand firms’ R&D organizational choice, I present internal and external factors that have implications on the benefits and costs associated with integration: reliance on science, stage of technology, external market for technology, and R&D spillins. Finally, I present consistent implications in terms of market value and show that value creation is related to organizational structure.  相似文献   

11.
This paper examines patterns and determinants of overseas R&D investment by US-based manufacturing MNEs using a new panel dataset over the period 1990–2004. The analysis reveals that R&D intensity of operation of US MNE affiliates is determined mainly by the domestic market size, overall R&D capability and cost of hiring R&D personnel. There is no evidence to suggest that R&D specific incentives have a significant impact on inter-country differences in R&D intensity when controlled for other relevant variables. Overall, our findings cast doubts on the efficacy of efforts by host country governments to entice MNE affiliates to engage in domestic R&D activity, in a context where R&D is becoming a truly global activity.  相似文献   

12.
Research and development (R&D) investment activity plays a crucial role in developing high-tech industries. In recent decades, China has made sustained investments in its domestic high-tech industries, with the goal of increasing their productivity. This paper investigates the effect of this investment on relative R&D efficiency across China's high-tech sectors. Data Envelopment Analysis (DEA) was used to generate quantitative indices for sector comparisons. The analysis of this study indicates that overall R&D investment efficiency did not increase from 1998 to 2009, despite R&D expenditure increasing by 2188%. Over the same period, most sectors suffered from decreasing returns to scale (DRS), presumably also reflecting the inefficient R&D investment. Most of the sectors showed significant fluctuation on R&D investment efficiency. This research result indicates that the problem of China's high-tech industry may be from the inefficiency of its technology commercialization processes, and therefore represents a critical parameter for policy makers and managers.  相似文献   

13.
政府R&D投入、环境规制与农业科技创新效率   总被引:1,自引:0,他引:1       下载免费PDF全文
环境规制、政府R&D投入是制约农业发展的两大难题,度量二者对农业科技创新效率的影响,对研究现代农业可持续发展具有重要意义。本文采用2004-2015年我国30个省、市、区的面板数据,使用超对数SFA模型,测算出30个省级的农业科技创新效率,再采用门槛面板数据模型,研究环境规制和政府R&D投入对我国农业科技创新效率的影响,及对二者最优强度区间进行分析。研究表明:在农业科技创新过程中,环境规制和政府R&D投入对农业科技创新效率提升具有正向影响,且二者对农业科技创新效率存在显著的门槛性。当环境规制强度低于门槛值0.617时,环境规制对农业科技创新具有显著的正向影响,影响系数0.798;当政府R&D投入强度高于门槛值0.109时,影响系数为0.194,政府R&D投入对创新效率促进作用持续增强。只有当环境规制和政府R&D投入处于合理区间时,环境规制政策才能引致政府R&D投入,具有“激励效应”,进而影响农业科技创新行为,产生创新补偿效应,实现农业科技创新效率的提升,促进农业经济的可持续发展。  相似文献   

14.
《Research Policy》2022,51(10):104601
We study differences in the returns to R&D investment between German manufacturing firms that sell in international markets and firms that only sell in the domestic market. Using firm-level data for five high-tech manufacturing sectors, we estimate a dynamic structural model of a firm's discrete decision to invest in R&D and use it to measure the difference in expected long-run benefit from R&D investment for exporting and domestic firms. The results show that R&D investment leads to higher rates of product and process innovation among exporting firms and these innovations have a larger economic return in export market sales than domestic market sales. As a result of this higher payoff to R&D investment, exporting firms invest in R&D more frequently than domestic firms, and this endogenously generates higher rates of productivity growth. We use the model to simulate the introduction of export and import tariffs on German exporters, and find that a 20 % export tariff reduces the long-run payoff to R&D by 24.2 to 46.9 % for the median firm across the five industries. Overall, export market sales contribute significantly to the firm's return on R&D investment which, in turn, raises future firm value, providing a source of dynamic gains from trade.  相似文献   

15.
严焰  池仁勇 《科研管理》2013,34(5):48-55
现有研究在探讨企业R&D投入与创新绩效之间的关系时,忽略了技术获取模式在其中的调节作用。本文以企业技术获取模式为调节变量,提出了R&D投入、技术来源、国外技术引进方式和企业创新绩效的理论模型,并结合浙江高技术企业的问卷调查结果,采用分组回归方法进行实证分析。研究发现:企业R&D投入与创新绩效显著正相关;以自主研发作为企业主要技术来源,以及以购买技术资料或专利作为引进国外技术的主要方式,对企业R&D投入与创新绩效的关系起正向调节作用;以合作研发为主要技术来源,以及以购买设备、购买样品、聘请国外技术人员等为引进国外技术主要方式,对企业R&D投入与创新绩效的关系起反向调节作用。  相似文献   

16.
17.
通过包含创新部门的新经济地理增长模型,分析发现知识溢出和高校创新投入对经济增长具有正向影响作用。在此基础上,选取2004—2015年我国省级面板数据,通过构建空间动态面板杜宾模型并采用系统GMM方法,在结构视角下考察高校创新投入对经济增长的影响。结果表明,时间维度上,高校创新投入对经济增长具有促进效应;空间维度上,高校创新投入对经济增长影响具有外部性特征,高校基础研究经费内部支出、高校应用研究经费内部支出对经济增长具有正向溢出效应,且知识溢出和高校创新投入对经济增长的影响在不同区域存在差异性。  相似文献   

18.
One of the benefits claimed for investment in Research and Development (R&D) is that there is a spillover effect. Industries benefit from both their own R&D efforts as well as the efforts of other national and overseas industries. The present research presents new evidence on the long-term impact of R&D investment upon UK industry's productivity performance and on the nature of these “R&D spillovers”. The results suggest that R&D efforts from the industry itself and from other national industries have a positive impact on the industry's productivity but, interestingly, there is no gain from foreign R&D investment.  相似文献   

19.
The determinants of R&D are an important topic of innovation studies. The classical Schumpeterian hypotheses about the influence of size and market power have been complemented with the role played by industry determinants, such as demand pull, technological opportunity and appropriability, in determining R&D investments. However, R&D has always been considered as a whole, even though research and development activities differ in many aspects. We take advantage of a new panel database of innovative Spanish firms (PITEC) to distinguish between research and development efforts of firms. We analyze the differentiated role played by traditional R&D determinants in driving research and development. Results show that demand pull and appropriability have a higher effect on development, while technological opportunity is more influential for research. Differences are statistically significant, important in magnitude, and robust to the use of different indicators for demand pull, technological opportunity and appropriability, and to several robustness checks.  相似文献   

20.
C. Annique Un 《Research Policy》2008,37(10):1812-1828
Despite the growing involvement of multinational enterprises (MNEs) in foreign-based research and development (R&D), there has been little research comparing R&D investments of subsidiaries of foreign MNEs to domestic firms. Subsidiaries of foreign MNEs enjoy advantages that help them compete against domestic firms. However, when deciding on R&D investments, these advantages exert competing influences on their R&D investment decision. On the one hand, better access to and transfer of knowledge and technologies from the MNE and other subsidiaries and centers of excellence may encourage the subsidiary of a foreign MNE to invest less in R&D relative to a domestic firm. On the other hand, better access to sources of capital through the MNE and other subsidiaries may induce the subsidiary to invest more in R&D in comparison to domestic firms. We find that subsidiaries of foreign MNEs invest less in total R&D than domestic firms. The reason is that they invest less in external R&D than domestic firms; however, they have similar internal R&D investments compared to domestic firms. These findings support the notion that the transfer of technology and knowledge from other parts of the MNE acts as a substitute for the purchase of external R&D while internal R&D acts as a complement to the technology and knowledge transferred from other parts of the MNE.  相似文献   

设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号