Collusion is always illegal when it's anti-competitive, whatever the size of the participants of the collusion. The key point to take away though, is that the authorities are unlikely to enforce antitrust laws against minor/negligible market participants. However, as little as 2% combined total market share has been enough to justify enforcement of antitrust laws for collusion.
Collusion is always illegal when it's anti-competitive, whatever the size of the participants of the collusion. The key point to take away though, is that the authorities are unlikely to enforce antitrust laws against minor/negligible market participants. However, as little as 2% combined total market share has been enough to justify enforcement of antitrust laws for collusion.