| Action-based entrepreneurship education EA Rasmussen, R Sørheim Technovation 26 (2), 185-194, 2006 | 1339 | 2006 |
| Informal investors-A categorization, with policy implications R Sørheim, H Landström Entrepreneurship & Regional Development 13 (4), 351-370, 2001 | 290 | 2001 |
| The pre-investment behaviour of business angels: a social capital approach R Sørheim Venture capital 5 (4), 337-364, 2003 | 192 | 2003 |
| The informal venture capital market in Norway? Investor characteristics, behaviour and investment preferences B Reitan, R Sorheim Venture Capital: An international journal of entrepreneurial finance 2 (2 …, 2000 | 172 | 2000 |
| Business angels as facilitators for further finance: an exploratory study R Sørheim Journal of small business and enterprise development 12 (2), 178-191, 2005 | 171 | 2005 |
| Why do they do it? Corporate venture capital investments in cleantech startups PD Hegeman, R Sørheim Journal of Cleaner Production 294, 126315, 2021 | 163 | 2021 |
| How governments seek to bridge the financing gap for university spin-offs: Proof-of-concept, pre-seed, and seed funding E Rasmussen, R Sørheim Technology Analysis & Strategic Management 24 (7), 663-678, 2012 | 135 | 2012 |
| Born global firms and informal investors: examining investor characteristics Ø Moen, R Sørheim, T Erikson Journal of Small Business Management 46 (4), 536-549, 2008 | 117 | 2008 |
| The funding of new technology firms in a pre-commercial industry–the role of smart capital Ø Bjørgum, R Sørheim Technology Analysis & Strategic Management 27 (3), 249-266, 2015 | 62 | 2015 |
| Family angels vs. other informal investors T Erikson, R Sørheim, B Reitan Family Business Review 16 (3), 163-171, 2003 | 62 | 2003 |
| Obtaining early-stage financing for technology entrepreneurship: reassessing the demand-side perspective E Rasmussen, R Sørheim Venture Capital 14 (2-3), 77-89, 2012 | 61 | 2012 |
| Funding of university spin‐off companies: a conceptual approach to financing challenges R Sørheim, L Øystein Widding, M Oust, Ø Madsen Journal of Small Business and Enterprise Development 18 (1), 58-73, 2011 | 61 | 2011 |
| ‘Technology angels’ and other informal investors T Erikson, R Sørheim Technovation 25 (5), 489-496, 2005 | 59 | 2005 |
| The social structure of entrepreneurial education as a scientific field H Landström, J Gabrielsson, D Politis, R Sørheim, K Djupdal Academy of management learning & education 21 (1), 61-81, 2022 | 54 | 2022 |
| How universities contribute to innovation: A literature review-based analysis A Kaloudis, A Aspelund, PM Koch, TA Lauvås, MT Mathisen, Ø Strand, ... Norwegian University of Science and Technology, 2019 | 40 | 2019 |
| Business angels investing in green ventures: how do they add value to their start-ups? M Siefkes, Ø Bjørgum, R Sørheim Venture Capital 27 (1), 79-108, 2025 | 34 | 2025 |
| The ivory tower of business angel research H Landström, R Sørheim Venture Capital 21 (1), 97-119, 2019 | 29 | 2019 |
| Categorisations of business angels: an overview R Sørheim, T Botelho Handbook of research on business angels, 76-91, 2016 | 27 | 2016 |
| The hybrid structures of international new ventures: a social capital approach and research agenda MS Berg, A Aspelund, R Sørheim The International Journal of Entrepreneurship and Innovation 9 (1), 33-42, 2008 | 24 | 2008 |
| Government initiatives to support the commercialization of research-an international benchmarking study E Rasmussen, OJ Borch, R Sørheim, A Gjellan Bodø Graduate School of Business, 100, 2006 | 18 | 2006 |
