The Six Degrees of Kevin Bacon effect shows up in many networks.
- The Six Degrees of Kevin Bacon effect shows up in many networks.
- It happens because the combinatorics makes even a small incidence rate quickly saturate the network.
- That also means that statements like "Nearly every academic paper is less than 6 citations away from a retracted paper" are not as interesting.
- It's trivially true no matter the density of retracted papers.