(17 May 2018, 8:15 pm)James101 wrote I suppose the risk of having only one (or even two) change dates per year is may make companies less inclined to take risks on new services, as they’d have to commit to the loss for a long time.
I suppose there has to be a balance between customer stability and not committing commercial suicide. So perhaps operators 'working towards' one change period a year, would be a better way of putting it.