Years later they couldn't find any direct evidence but providers were subsequently only not-guilty if they could show long term planning. With a duo- or tripoly it's not hard to have fix your prices together. This especially happens in the high-entry cost markets like telecom.
Well the person I replied to makes a very specific claim. That prices were raised 6 years ago by all operators at the same time and that the regulator did not fault them. Neither can I find evidence of that price hike, nor can I find a statement by the regulator.
Years later they couldn't find any direct evidence but providers were subsequently only not-guilty if they could show long term planning. With a duo- or tripoly it's not hard to have fix your prices together. This especially happens in the high-entry cost markets like telecom.