It seems to me that this is real at medium distance and long, too, but not at a short distance - because of the large influence of the speculative component.
I think this is theoretical reasoning. Once you try to do this in practice, you will be surprised at the complexity of this process.
The problem of reproducibility is a common problem of economic theory, but I'm trying to show you that prices objectively reflect the state of affairs in the project if we are talking about a long distance.