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This study addresses a relatively understudied mobility\u2014the temporary international mobility of PhD students in STEM fields\u2014and its relation to the establishment of research collaborations between mobile PhD students and researchers at the host university and with other researchers overseas. First, we find that 55% of the participants established relevant international collaborations (i.e., with hosting supervisors and\/or others at the hosting university), and we explore these collaboration patterns in detail by taking a novel research propagation approach. Second, we identify features of the visiting period that influence the formation of research collaborations abroad, such as the prestige of the host university, the duration of the international mobility period, the cultural distance, and the number of peer PhD students at the host university. Previous research collaborations between the home and host supervisors are also found to play a crucial role in research collaboration development. Age at the time of mobility is not found to be particularly relevant. We find that female PhD students are less able to benefit from collaborative research efforts than male students. These findings advance the knowledge of global research networks and provide important insights for research funding agencies aiming to promote international research mobility at the doctoral level.<\/jats:p>","DOI":"10.1162\/qss_a_00096","type":"journal-article","created":{"date-parts":[[2020,12,2]],"date-time":"2020-12-02T15:35:36Z","timestamp":1606923336000},"page":"129-154","update-policy":"https:\/\/doi.org\/10.1162\/mitpressjournals.corrections.policy","source":"Crossref","is-referenced-by-count":28,"title":["Research network propagation: The impact of PhD students\u2019\n                    temporary international mobility"],"prefix":"10.1162","volume":"2","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6814-1393","authenticated-orcid":true,"given":"Hugo","family":"Horta","sequence":"first","affiliation":[{"name":"Social Contexts and Policies of Education, Faculty of Education, University of Hong Kong, Hong Kong, Hong Kong SAR, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9397-7165","authenticated-orcid":true,"given":"Sebastian","family":"Birolini","sequence":"additional","affiliation":[{"name":"Department of Management, Information and Production Engineering, University of Bergamo, via Pasubio 7b, 24044 Dalmine (BG), Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4400-089X","authenticated-orcid":true,"given":"Mattia","family":"Cattaneo","sequence":"additional","affiliation":[{"name":"Department of Management, Information and Production Engineering, University of Bergamo, via Pasubio 7b, 24044 Dalmine (BG), Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2121-4409","authenticated-orcid":true,"given":"Wenqin","family":"Shen","sequence":"additional","affiliation":[{"name":"Graduate School of Education, Peking University, Beijing, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6099-560X","authenticated-orcid":true,"given":"Stefano","family":"Paleari","sequence":"additional","affiliation":[{"name":"Department of Management, Information and Production Engineering, University of Bergamo, via Pasubio 7b, 24044 Dalmine (BG), Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"281","published-online":{"date-parts":[[2021,4,8]]},"reference":[{"issue":"4","key":"2021041320045353500_bib1","doi-asserted-by":"crossref","first-page":"594","DOI":"10.1016\/j.joi.2011.05.007","article-title":"Identifying the effects of co-authorship\n                        networks on the performance of scholars: A correlation and regression\n                        analysis of performance measures and social network analysis\n                        measures","volume":"5","author":"Abbasi","year":"2011","journal-title":"Journal of Informetrics"},{"issue":"4","key":"2021041320045353500_bib2","doi-asserted-by":"crossref","first-page":"1016","DOI":"10.1016\/j.joi.2017.09.007","article-title":"The relationship among research\n                        productivity, research collaboration, and their\n                    determinants","volume":"11","author":"Abramo","year":"2017","journal-title":"Journal of Informetrics"},{"issue":"3","key":"2021041320045353500_bib3","doi-asserted-by":"crossref","first-page":"159","DOI":"10.3152\/147154403781776645","article-title":"Characteristics of highly cited papers","volume":"12","author":"Aksnes","year":"2003","journal-title":"Research Evaluation"},{"issue":"4","key":"2021041320045353500_bib4","doi-asserted-by":"crossref","first-page":"215","DOI":"10.1093\/reseval\/rvt012","article-title":"Are mobile researchers more productive\n                        and cited than non-mobile researchers? 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