[hibikir]

Prices cannot solve all supply problems. We cannot have 2 million teenagers dating the starlet-du-jour. But prices typically can increase the supply quite a bit, while most techniques that avoid prices will not increase supply at all.

So if the goal is to maximize how many people get what they want, prices, plus some mechanism to avoid temporal speculation (for instance someone saving their sealed pokemon cards for 20 years hoping for price increases) makes the most sense.