Comment by dragonwriter

> Is it completely insane and incoherent to imagine a situation where ice cream has two equilibrium prices, one higher and one lower, and the market just settles on the higher one?

It it completely insane? No. But draw a set of supply and demand curves that supports it, and then try to come up with a narrative that explains them. In the static, same time, all other things being equal case, it is hard to do.