And there are other dynamics in play. Here is a nasty example:
Employers care that premiums only increase by X% per year. Fine. As such, insurance will try to protect its contract with employer by going to the hospital provider, and demanding a low premium increase.
Hospital says fine but "OK - but you agree to our increase of list price by 50%.... don't worry, we give you a discount on that amount. Insurance won't pay that increase"
Insurer says "Great! In fact, let's push it to 100%? OK?"
How did we come to this? Insurer and Hospital agreeing to increase price by 100% and discount that 100% back down?
Its because of the incentives.
Insurance will use this to go back to employer and say. "We got you that x% cap on increase in premiums. Employer, by the way, you still owe us money from the 100% discount we got you from the hospital bills " Employer says OK and pays a ~3% premium on the 100% 'discount' ("claims repricing" in industry parlance).
Meanwhile, Hospital goes back to the government. "We had losses from discounts given to govt patients totaling X in discounts". Now hospitals recoup some of that money. (in industry parlance Disproportionate Share Hospital (DSH))
Meanwhile, people with no insurance have to pay these inflated list prices...with no insurance discount whatsoever. HR staff gets promoted or leaves the job, because they did a great job securing that X% cap. The new person does not know what "claims repricing" is. It remains in the contract.
Premiums go higher next year.
They don't want to bankrupt themselves, but they can raise rates and keep more money when they pay more.
It can be the case that the market isn't very competitive, but it isn't the case that the companies can just arbitrarily raise rates.
What seems to be happening lately is a consolidation wave on every level of medical business in order to counter-act that. Most of the smaller private practices in my area have been bought up by large healthcare organizations named after various medieval saints.
https://en.wikipedia.org/wiki/Health_maintenance_organizatio...