Knowledge spillovers: Does the geographic proximity effect decay over time? A discipline-level analysis, accounting for cognitive proximity, with and without self-citations

Abramo, 2020, The role of geographical proximity in knowledge flows as measured by citations to scientific literature, Journal of Informetrics, 14, 10.1016/j.joi.2020.101010 Abramo, 2020, Does the geographic proximity effect on knowledge spillovers vary across research fields?, Scientometrics, 123, 1021, 10.1007/s11192-020-03411-x Ahlgren, 2013, Geographical distance in bibliometric relations within epistemic communities, Scientometrics, 95, 771, 10.1007/s11192-012-0819-1 Aksnes, 2003, A macro study of self-citation, Scientometrics, 56, 235, 10.1023/A:1021919228368 Balland, 2015, Proximity and innovation: From statics to dynamics, Regional Studies, 49, 907, 10.1080/00343404.2014.883598 Börner, 2006, Mapping the diffusion of scholarly knowledge among major US research institutions, Scientometrics, 68, 415, 10.1007/s11192-006-0120-2 Boschma, 2005, Proximity and innovation: A critical assessment, Regional Studies, 39, 61, 10.1080/0034340052000320887 Boschma, 2014, Scientific knowledge dynamics and relatedness in biotech cities, Research Policy, 43, 107, 10.1016/j.respol.2013.07.009 Breschi, 2001, Localised knowledge spillovers vs innovative milieux: Knowledge “tacitness” reconsidered, Papers in regional science, 80, 255, 10.1007/PL00013627 Broekel, 2018, Critical links in knowledge networks - What about proximities and gatekeeper organisations?, Industry and Innovation, 25, 919, 10.1080/13662716.2017.1343130 Capello, 2009, Spatial spillovers and regional growth: A cognitive approach, European Planning Studies, 17, 639, 10.1080/09654310902778045 Capello, 2018, Proximities and the intensity of scientific relations: Synergies and nonlinearities, International Regional Science Review, 41, 7, 10.1177/0160017615626985 Crescenzi, 2016, Do inventors talk to strangers? On proximity and collaborative knowledge creation, Research Policy, 45, 177, 10.1016/j.respol.2015.07.003 Fontana, 2019, Topics and geographical diffusion of knowledge in top economic journals, Economic Inquiry, 57, 1771, 10.1111/ecin.12815 Frenken, 2009, Spatial scientometrics: Towards a cumulative research program, Journal of Informetrics, 3, 222, 10.1016/j.joi.2009.03.005 Head, 2019, Geography, ties, and knowledge flows: Evidence from citations in mathematics, The Review of Economics and Statistics, 101, 713, 10.1162/rest_a_00771 Hurt, 1987, Conceptual citation differences in science, technology, and social sciences literature, Information Processing & Management, 23, 1, 10.1016/0306-4573(87)90033-1 Ioannidis, 2019, A standardized citation metrics author database annotated for scientific field, PLoS Biology, 17, 10.1371/journal.pbio.3000384 Jiang, 2018, The relationships between distance factors and international collaborative research outcomes: A bibliometric examination, Journal of Informetrics, 12, 618, 10.1016/j.joi.2018.04.004 Liu, 2010, Knowledge diffusion through publications and citations: A case study using ESI-fields as unit of diffusion, Journal of the American Society for Information Science and Technology, 61, 340 Matthiessen Wichmann, 2002, The top-level global research system, 1997-99: Centres, networks and nodality. An analysis based on bibliometric indicators, Urban Studies, 39, 903, 10.1080/00420980220128372 Maurseth, 2002, Knowledge spillovers in Europe: A patent citations analysis, The Scandinavian Journal of Economics, 104, 531, 10.1111/1467-9442.00300 Mehta, 2010, Identifying the age profile of patent citations, Social Science Research Network, 25, 1179 Pan, 2012, World Citation and Collaboration Networks: Uncovering the role of geography in science, Scientific Reports, 2 Ponds, 2007, The geographical and institutional proximity of research collaboration, Papers in regional science, 86, 423, 10.1111/j.1435-5957.2007.00126.x Tranos, 2013, The death of distance revisited: Cyber‐place, physical and relational proximities, Journal of Regional Science, 53, 855, 10.1111/jors.12021 Van Leeuwen, 2000, Interdisciplinary dynamics of modern science: Analysis of cross-disciplinary citation flows, Research Evaluation, 9, 183, 10.3152/147154400781777241 Van Leeuwen, 2001, Language biases in the coverage of the Science Citation Index and its consequences for international comparisons of national research performance, Scientometrics, 51, 335, 10.1023/A:1010549719484 Van Raan, 2008, Self-citation as an impact-reinforcing mechanism in the science system, Journal of the American Society for Information Science and Technology, 59, 1631, 10.1002/asi.20868 Vieira, 2010, Citations to scientific articles: Its distribution and dependence on the article features, Journal of Informetrics, 4, 1, 10.1016/j.joi.2009.06.002 Wagner, 2017, Growth of international collaboration in science: Revisiting six specialties, Scientometrics, 110, 1633, 10.1007/s11192-016-2230-9 Wang, 2018, Proximal advantage in knowledge diffusion: The time dimension, Journal of Informetrics, 12, 858, 10.1016/j.joi.2018.07.006 Wuestman, 2019, The geography of scientific citations, Research Policy, 48, 1771, 10.1016/j.respol.2019.04.004 Wuyts, 2005, Empirical tests of optimal cognitive distance, Journal of Economic Behavior & Organization, 58, 277, 10.1016/j.jebo.2004.03.019