There is an economic theory that's escaping me right now, but the gist is that with certain goods, the market will hover at the very edge of efficiency; they ha

There is an economic theory that's escaping me right now, but the gist is that with certain goods, the market will hover at the very edge of efficiency; they have to become just scarce enough to break a certain threshold, then the market will realize that they are in fact a scarce resource, then correct to achieve a high efficiency equilibrium.