Knowledge spillovers and patent citations
WebFeb 1, 2000 · Using patent citation data for the U.S., we test whether knowledge spillovers in biotechnology are sensitive to distance. Controlling for self-citation by inventor, assignee … WebApr 1, 2024 · Patent citations are a commonly used indicator of knowledge spillovers among inventors, while clusters of research and development …
Knowledge spillovers and patent citations
Did you know?
WebThe first section of the paper describes patents and patent citations, explains the construction of the control samples, and 5. Glaeser, Kallal, Scheinkman, andShleifer … WebWe use patent citation data to investigate the relative intensity of knowledge spillovers in clean and dirty technologies in four technological fields: energy production, automobiles, fuel and lighting. We find that clean patents receive on average 43% more citations than dirty patents. Clean patents are also cited by more prominent patents.
Webcountry of origin of the citing patent than are examiner citations, and for domestic patents they are 25% more likely to match the citing patent's location within the United States. The localization of intra-national knowledge spillovers declines with the passage of time, but international borders present a persistent barrier to spillovers. WebMay 1, 2006 · Abstract. I report new evidence for localized knowledge spillovers identified by within-patent variations in the geographic matching rates of citations added by inventors and citations added by examiners. Evaluated at the mean citation lag, inventor citations are 20% more likely than examiner citations to match the country of origin of their citing …
WebOct 18, 2024 · While patent litigation is an important appropriability mechanism for protecting firms’ proprietary knowledge, through the litigation process, valuable knowledge may unintentionally spill over from firms defending their patents to those they accuse of patent infringement. We examine whether such spillover subsequently enhances the … WebDOI 10.3386/w30147. Issue Date June 2024. The returns to face-to-face interactions are of central importance to understanding the determinants of agglomeration. However, the existing literature studying patterns of geographic proximity in patent citations or industrial co-location has struggled to disentangle the benefits of face-to-face ...
WebAbstract. We propose a new method to estimate and isolate the localization of knowledge spillovers due to the physical presence of a person, using after-application but pre-grant …
WebJul 9, 2024 · Knowledge is often proxied by patent count (Goel & Saunoris, 2024) and knowledge flow is tracked by patent citation data (Kwon et al., 2024; Lee, 2024). These … chillax tufting studioWebMar 1, 2024 · Presumably, citations to patents that belong to the same assignee represent transfers of knowledge that are mostly internalized, whereas citations to patents of other inventors are closer to the pure notion of spillovers. 12 Furthermore, firms may include self-citations for strategic reasons. grace church of the valley kingsburg caWebJan 1, 2004 · Spillover mechanisms Romer (1986), Lucas (1988, 1993) and Grossman and Helpman (1991) established that knowledge spillovers are an important mechanism underlying endogenous growth. However, they shed little light on the actual mechanisms by which knowledge is transmitted across firms and individuals. grace church of the valley greendale indianaWebDec 1, 2014 · We develop a new distance-based test of localized knowledge spillovers that embeds the concept of control patents. Using microgeographic data, we identify … grace church of the valleyWebcitations generated by 2,670 citing patents, an average of just under 12 citations made by each patent. Examiners are a very important source of citations, accounting for over 41% … grace church of the valley caWebMar 1, 2024 · Using the total citations a patent receives may understate the degree of localization of knowledge spillovers. In our sample, examiner-added citations account for … chillax twice 歌詞WebApr 12, 2024 · We explore the usefulness of patent citations as a measure of the "importance" of a firm's patents, as indicated by the stock market valuation of the firm's intangible stock of knowledge. Using ... chil-lax ultra soft lounger