This sounds similar to what RealPage does in the U.S. with apartment rents: https://www.propublica.org/article/yieldstar-rent-increase-realpage-rent https://www

This sounds similar to what RealPage does in the U.S. with apartment rents: https://www.propublica.org/article/yieldstar-rent-increase-realpage-rent https://www.propublica.org/article/yieldstar-rent-increase-r.... After the Propublica story came out, the U.S. Department of Justice started investigating it as essentially collusion-via-3rd-party.