The same works for non-emergency surgery as well. Take a look at https://surgerycenterok.com/ it's such a breath of fresh air to see the full price for each procedure right there. People travel there from all over the country to get needed procedures. So competition clearly works but the system doesn't really enable it. For example insurers don't want to work with the linked center because they won't give them rebates but charge everyone the same price. More details: https://www.econtalk.org/keith-smith-on-free-market-health-c...