| Researcher | Country | Network characteristics of the banking system |
| Boss et al. (2004) | Austria | Had group structure and hierarchical structure features, also exhibited typical small-world structure characteristics. |
| Inaoka et al. (2004) | Japan | Scale-free network with self-similar features |
| Iori et al. (2008) | Italy | Random network |
| Becher et al. (2008) | UK | Small-world network |
| Cont et al. (2010) | Brazil | Scale-free weighted network |
| Martinez-Jaramillo et al. (2010) | Mexico | Small-world network |
| Gabrieli (2011) | Europe | Had a small-world network feature and its network was very sparse |
| Veld and Lelyveld (2014) | Netherlands | There were systemically important core banks |
| León and Berndsen (2014) | Colombia | Modular scale-free structure |
| Liu et al. (2014) | China | With typical small-world and scale-free network features |
| Sui and Wang (2015) | China | Exhibited scale-free network features |
| Bargigli et al. (2015) | Italy | Had a hierarchical structure |