What about when market prices are public? Is knowing the market prices collusion?
It can be, if everyone also acts to keep prices high by behaving in ways that aren't typical.
https://en.wikipedia.org/wiki/Tacit_collusion
Tacit collusion wouldn't work in this case, because most rental markets aren't oligopolies.
It can be, if everyone also acts to keep prices high by behaving in ways that aren't typical.
https://en.wikipedia.org/wiki/Tacit_collusion