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1.
Knowledge Spillovers in Europe: A Patent Citations Analysis   总被引:15,自引:0,他引:15  
This paper addresses the pattern of knowledge flows as indicated by patent citations between European regions. Our findings support the hypothesis that there are important barriers to knowledge flows in Europe. Patent citations occur more often between regions which belong to the same country and which are in geographical proximity. Furthermore, patent citations are industry specific and occur most often between regions that are specialised in industrial sectors with specific technological linkages between them. Patent citations are also more frequent when the citing region belongs to the same linguistic group as the cited region.
JEL classification : O 30; O 33; R 19  相似文献   

2.
This article presents the methodology and results for measuring the knowledge intensity of manufacturing industries based on the knowledge-related characteristics of their workforce. The measures link information from the Occupational Information Network project (from the US Department of Labor) and the Occupational Employment Statistics (from the Bureau of Labor Statistics) to produce industry-specific knowledge intensity measures. The new measures overcome the main issues posed by the industry-average R&D share in total sales variable, often used as a proxy for knowledge intensity in the literature.  相似文献   

3.
With the emergence of smartphones, the paradigm of the mobile ecosystem has changed rapidly. In particular, global mobile firms focus on technological competition when jostling for market position in recognition of the strategic need to secure a strong mobile platform. In this paper, we analyse the network structure of technological knowledge flows in mobile ecosystems using US patent citation information. We find that two subsectors, platform providers and application and software providers, are at the centre of knowledge exchange activity and play a brokerage role as the key knowledge mediator. Then, we categorise mobile firms into five different groups based on the patterns of their network centrality: knowledge keystone players, knowledge-distributing mediators, knowledge-absorbing mediators, catch-up players, and pure knowledge receivers. The categorisation of firms demonstrates that knowledge flows in the mobile industry converge towards a few leading firms, and such patterns are shaping the mobile ecosystem with respect to technological knowledge. The firms categorised as catch-up players have played a brokerage role within their group, while the firms categorised as knowledge keystone players play a brokerage role across different groups.  相似文献   

4.
We show that uncertainty in patent approvals may induce the firms to do cooperative R&D. With an exogenous probability of success in patent application, we show that, if all firms apply for patents under non-cooperative R&D, the firms prefer cooperative R&D than non-cooperative R&D for moderate (high) probabilities of success in patent applications, if the cost of patenting is small (large). We also show the implications of entry of non-innovating firms and endogenous probability of success in patent applications.   相似文献   

5.
ABSTRACT

We view scientific publications as a measure of technical knowledge. Using the Solow method of functional decomposition and scientific publication data from the National Institute of Standards and Technology, we find that 79% of the increase in scientific publications per unit of scientific personnel is explained by an increase in federal R&D capital per unit of scientific personnel. We describe the unexplained or residual 21% as a measure of creativity-enhancing technological change, a phenomenon that offers a way to reverse the perceived slowing of the productivity of science. The explained 79% offers a possible metric for federal laboratories’ mandated reporting of a ROI to federal R&D. Understanding the drivers of the residual 21% could enable public policy to mitigate the resource constraints caused by the breakdown of exponential growth of the resources devoted to science.  相似文献   

6.
Patent information can be used for strategic planning purposes. Conventional patent analysis has commonly focused on factual information and, in particular, on information extraction, visualisation and interpretation. Less scholarly attention has been devoted to the strategic role of an integrated system of patent intelligence in supporting decision-making in R&D investments. Our paper addresses this gap and explores how patent analysis may benefit those firms that intend capturing the beneficial effects of Open Innovation. We also critically discuss the intrinsic limits of both patent information and patent analysis, which should be taken into account by systems of patent intelligence.  相似文献   

7.
In this study three possible determinants of the increase in the ratio between skilled and unskilled workers are tested together: R&D, organisational change, and foreign direct investment. After analysing the literature, these hypotheses are jointly tested using a SUR estimate. The results – regarding a panel of 488 Italian manufacturing firms over the period 1989–1997 – suggest the statistical significance of the impact of organisational change, while they tend to exclude a direct relation between R&D spending and skill upgrading. With reference to FDIs, the nature of the data and the results do not permit the exclusion of their possible influence.  相似文献   

8.
There is a great and urgent necessity for appropriate data and methods to help organisations select appropriate R&D (Research and Development) partners. In response, this study presents a structured framework for identifying and selecting the R&D partners with the greatest potential to meet a given technological need. The formal methods in the framework include systematic information collection, patent portfolio analysis, technological similarity screening, and semantic evaluation that views subject-action-object (SAO) sentence structures as problem-solution patterns. The results of an empirical evaluation, with dye-sensitive solar cells as the case, demonstrate that using this framework can reveal more appropriate R&D partners for technological needs (TNS) in less time and with less cost than methods based solely on one criterion.  相似文献   

9.
We propose a general theory of innovation that illustrates the relative benefits of performing process versus product R&D when firm size is endogenous. A firm's size, scope, and R&D portfolio are shown to reflect the same underlying characteristic of the firm, namely manufacturing efficiency. We demonstrate that efficient firms become larger, have greater scope, and perform more of both process and product R&D. In light of decreasing returns to R&D, this implies small firms obtain more product innovations per dollar of R&D than large firms, which is consistent with evidence we present that small firms are more innovative than large firms as they obtain more patent counts and citations per dollar of R&D.  相似文献   

10.
In this paper a model of multistage R&D patent policy is investigated. We study the impact of the duration of patent protection for intermediate products on R&D races when the discovery of the final product requires the accomplishment of an intermediate step. Using a multistage model where firms choose their levels of research investment at each stage, we find all subgame-perfect equilibria of the game. We also determine how competition affects a firm's level of research investment at different stages of the R&D competition.  相似文献   

11.
The paper presents an integrated viewpoint of technological innovation strategy by considering both the firm and industry levels. Further, we provide a new open innovation framework by adopting a knowledge flow perspective using patent citation information. Finally, we consider a firm’s outbound open innovation performance using cites per patent information together with financial performance to look at both the practical and the potential effects of technological innovation strategy. Through these analyses, this study examines determinants of open technology innovation activity in the information and communication technology manufacturing industry in Korea and draws managerial and policy implications for effective industry promotion and improvement of technology innovation capability.  相似文献   

12.
This paper has three novelties. First, we argue that any given R&D facility’s capacity to exploit and/or augment technological competences is a function not just of its own resources, but the efficiency with which it can utilise complementary resources associated with the relevant local innovation system. Just as asset-augmenting activities require proximity to the economic units (and thus the innovation system) from which they seek to learn, asset-exploiting activities draw from the parent’s technological resources as well as from the other assets of the home location’s innovation system. Furthermore, we argue that most firms tend to undertake both asset exploiting and augmenting activities simultaneously. Second, we use patent citation data from the European Patent Office to quantify the relative asset augmenting vs. exploiting character of foreign-located R&D. Third, we do so for European MNEs located in the US, as well as US MNEs located in Europe. Our results indicate that both EU (US) affiliates in the US (EU) rely extensively on home region knowledge sources, although they appear to exploit the host country knowledge base as well.  相似文献   

13.
ABSTRACT

This paper accounts for the development of the academic endeavour to determine the firm-level relationship between investments in R&D and productivity. The impact of 28 highly cited publications within this line of study is investigated using a combination of bibliometric techniques and citation function analysis. We show how the attention paid to this line of research broadens and deepens in parallel to the diffusion of innovation as a research theme during 2000s. Our findings also suggest that the attraction of scholarly attention is driven by combination of broadening interest in the central research question under study and boundary-pushing methodological contributions made in the key contributions.  相似文献   

14.
R&D competition, absorptive capacity, and market shares   总被引:3,自引:0,他引:3  
This paper deals with an oligopolistic industry where firms are engaged in cost-reducting R&D activity to maximize their market shares. The existence and uniqueness of a feedback-Nash-optimal R&D strategy for each firm are discussed. Our simulations highlight that variations in spillovers hardly influence the firms' R&D investment, if their absorptive capacities to exploit extramural knowledge depend on their R&D efforts. Moreover, extramural knowledge cannot completely replace in-house R&D. However, a high level of public R&D favors the firm with the most restrictive R&D expenditure constraint and/or with the lowest initial R&D stock, provided it invests in R&D.  相似文献   

15.
ABSTRACT

This paper empirically investigates how the inter-sectoral knowledge flows affect the international competitiveness of industries, once controlling for both cost and other technological factors. Using patent data on 14 manufacturing industries in 16 OECD countries over the period 1995–2009, we apply a network-based approach to capture the effect of industries' position in the flows of technical knowledge across industries, which we label inter-sectoral knowledge space. We find that (i) centrality and local clustering in the inter-sectoral knowledge space positively affect the export market shares of an industry, (ii) such two effects are rather redundant and (iii) national-level knowledge flows' impacts on international competitiveness are way stronger than international ones. Network measures of position in the knowledge space are found to be more relevant than standard technological indicators such as patent counts. Our results point to the importance of industries being well located in the stream of knowledge flows, rather than being innovative per se, and offer a novel yet robust proxy to measure technological factors affecting trade performances. In addition, we find evidence of geographical boundaries of knowledge flows.  相似文献   

16.
17.
Is knowledge spillover a rationale for supporting R&D on new, emerging technologies more than R&D on other technologies? In this paper, I analyze whether innovation externalities caused only by knowledge spillovers differ between technologies of different maturity. I show that R&D should not be subsidized equally across industries when the knowledge stocks differ. This is because knowledge spillovers depend on the size of the knowledge stock and the elasticity of scale in R&D production. R&D in the emerging technology should be subsidized more when the elasticity is smaller than one. However, R&D in the mature technology should be subsidized more when the elasticity is larger than one.  相似文献   

18.
This study examined the moderating effects of two kinds of internal R&D (parent R&D and subsidiary R&D) on the relationship between local R&D outsourcing and subsidiary productivity as internal R&D challenges the collaborative relationships in the local environment. Due to the specific feature of a subsidiary mandate, we further investigate whether two distinct kinds of internal R&D have different moderating effects between exploitation-oriented subsidiaries and exploration-oriented subsidiaries, based on a sample of longitudinal data set of 263 Taiwan-based manufacturing subsidiaries over the period 2006–2009. The empirical results show that for exploitation-oriented subsidiaries parent R&D plays a significant and negative moderating role on the impact of local R&D outsourcing based on local collaboration, while a positive moderating role is observed with parent R&D and subsidiary R&D for exploration-oriented subsidiaries.  相似文献   

19.
This article analyses how Quality Management (QM) practices moderate the relationship between collective mind (CM), and knowledge transfer (KT) and absorption in university research and development (R&D) groups. The data are taken from 257 R&D groups in different Spanish universities. The findings show that the relationship between CM and KT is significant when QM is included as a moderating variable because QM permits better communication and fosters stronger ties between group members. In the case of knowledge absorption (KA), however, QM does not have a significant effect. The final section presents the study's conclusions and implications. As no studies have tested these effects empirically, our conclusions are highly relevant for academics and researchers.  相似文献   

20.
Prior studies implicitly assume that knowledge search modes are homogeneous, and little is known about the impacts of specific search modes on innovation. Drawing upon the knowledge search literature, we differentiate among four types of search modes and analyze their impacts on innovation performance. Moreover, we enrich the theoretical framework by recognising the moderating role of strategic R&D orientation in affecting the relationship between specific types of search modes and innovation performance. Using a unique dataset of 418 Chinese firms, we find that, except for inward licensing, value chain search, capital search, and industry-university-research institute collaboration (IUR collaboration) exert positive effects on innovation performance. Moreover, the empirical results indicate that a strategic R&D orientation amplifies the positive effects of value chain search and IUR collaboration while it mitigates the negative effect of inward licensing on innovation performance.  相似文献   

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