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Key players can either amplify or dampen diffusion, and peer adoption has a greater impact on less experienced individuals. These results highlight the value of targeting training to high impact network members to speed up diffusion. This work advances our understanding of how professional networks shape innovation diffusion, with implications for technology implementation. <\/jats:p><jats:p> This paper was accepted by Stefan Scholtes, healthcare management. <\/jats:p><jats:p> Funding: This work was supported by the European Research Council (ANR-17-EURE-0010, POEMH, Advanced Investigator Award HealthCareLabour REP-SCI-788529), the Australian Research Council (Discovery Project DP220101043) and the Health Foundation (Efficiency Research Programme). <\/jats:p><jats:p> Supplemental Material: The online appendix and data files are available at https:\/\/doi.org\/10.1287\/mnsc.2023.00496 . <\/jats:p>","DOI":"10.1287\/mnsc.2023.00496","type":"journal-article","created":{"date-parts":[[2025,1,20]],"date-time":"2025-01-20T08:34:41Z","timestamp":1737362081000},"page":"8109-8126","source":"Crossref","is-referenced-by-count":5,"title":["Innovation Diffusion Among Coworkers: Evidence from Senior Doctors"],"prefix":"10.1287","volume":"71","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0084-2959","authenticated-orcid":false,"given":"Eliana","family":"Barrenho","sequence":"first","affiliation":[{"name":"OECD, Directorate for Employment, Labour and Social Affairs, Health Division, 75016 Paris, France"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7941-5668","authenticated-orcid":false,"given":"Eric","family":"Gautier","sequence":"additional","affiliation":[{"name":"Toulouse School of Economics, 31000 Toulouse, France"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5772-7740","authenticated-orcid":false,"given":"Marisa","family":"Miraldo","sequence":"additional","affiliation":[{"name":"Department of Economics and Public Policy, Imperial College Business School, London SW7 2AZ, United Kingdom"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8257-431X","authenticated-orcid":false,"given":"Carol","family":"Propper","sequence":"additional","affiliation":[{"name":"Department of Economics and Public Policy, Imperial College Business School, London SW7 2AZ, United Kingdom; and Monash University, Melbourne, Victoria 3145, Australia"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9009-0297","authenticated-orcid":false,"given":"Christiern","family":"Rose","sequence":"additional","affiliation":[{"name":"School of Economics, University of Queensland, Brisbane, Queensland 4072, Australia"}]}],"member":"109","reference":[{"key":"B1","doi-asserted-by":"publisher","DOI":"10.1111\/joms.12003"},{"key":"B2","doi-asserted-by":"publisher","DOI":"10.1162\/REST_a_00670"},{"key":"B3","doi-asserted-by":"publisher","DOI":"10.1257\/pol.20200044"},{"key":"B4","doi-asserted-by":"publisher","DOI":"10.1287\/mnsc.2019.3576"},{"key":"B5","doi-asserted-by":"publisher","DOI":"10.1287\/orsc.1100.0621"},{"key":"B6","doi-asserted-by":"publisher","DOI":"10.1136\/gutjnl-2015-310912"},{"key":"B7","doi-asserted-by":"publisher","DOI":"10.1287\/msom.2016.0597"},{"key":"B8","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijsu.2018.03.039"},{"key":"B9","doi-asserted-by":"publisher","DOI":"10.1245\/ASO.2006.05.045"},{"key":"B10","doi-asserted-by":"publisher","DOI":"10.1162\/qjec.2010.125.2.549"},{"key":"B11","doi-asserted-by":"publisher","DOI":"10.1126\/science.1236498"},{"key":"B12","unstructured":"Barrenho E, Chrysanthaki T, Miraldo M, Propper C (2018) Supporting or resisting the adoption of laparoscopic surgery for colorectal cancer surgery in the UK: The Consultant Surgeon Factor. 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