The three clusters of co-citation analysis
| Cluster number | Colour | Number of items | Timespan | Total link strength | Key contributions | Cluster re-named |
|---|---|---|---|---|---|---|
| 1 | Red | 8 | 1990–2013 | 4–12 | Bigliardi et al. (2019) | Convergence in OI |
| Bigliardi and Galati (2013) | ||||||
| Capitanio et al. (2010) | ||||||
| Cohen and Levinthal (1990) | ||||||
| Huizingh (2011) | ||||||
| Huston and Sakkab (2006) | ||||||
| Sarkar and Costa (2008) | ||||||
| Traill and Meulenberg (2002) | ||||||
| 2 | Green | 7 | 2003–2016 | 3–9 | Bianchi et al. (2011) | Degree of openness |
| Chesbrough (2003) | ||||||
| Dahlander and Gann (2010) | ||||||
| Laursen and Salter (2006) | ||||||
| Parida et al. (2012) | ||||||
| Vrontis et al. (2016) | ||||||
| West and Bogers (2014) | ||||||
| 3 | Blue | 5 | 1986–2010 | 5 | Chesbrough (2003) | Emerging arenas of OI |
| Enkel et al. (2009) | ||||||
| Fortuin and Omta (2009) | ||||||
| Gassmann et al. (2010) | ||||||
| Teece (1986) |
| Cluster number | Colour | Number of items | Timespan | Total link strength | Key contributions | Cluster re-named |
|---|---|---|---|---|---|---|
| 1 | Red | 8 | 1990–2013 | 4–12 | Convergence in OI | |
| 2 | Green | 7 | 2003–2016 | 3–9 | Degree of openness | |
| 3 | Blue | 5 | 1986–2010 | 5 | Emerging arenas of OI | |