> Except suppliers can engage in their own fiat prices, as the OP demonstrates. Those aren't fiat prices by any stretch. Aside from the fact that there is a co

> Except suppliers can engage in their own fiat prices, as the OP demonstrates. Those aren't fiat prices by any stretch. Aside from the fact that there is a competitive market of providers, patients don't have the obligation to pay the entire billed price (a key point which this article does not mention). That's neither a monopsony nor a monopoly. Medicare, on the other hand, is a legal monopsony over its patient population and does set its prices by fiat. (There is no competitive market; patients can opt to receive their Medicare benefits privately, but they cannot opt out of Original Medicare entirely. Similarly, most providers cannot legally opt out of accepting Medicare, in practice).