Asset pricing theory is a well established field within economics. Of course it comes down, in the end, to the law of supply and demand, but that doesn't mean

Asset pricing theory is a well established field within economics. Of course it comes down, in the end, to the law of supply and demand, but that doesn't mean that we have to stop here. The law of supply and demand doesn't explain why there's a supply and a demand in the first place. https://en.wikipedia.org/wiki/Asset_pricing https://en.wikipedia.org/wiki/Asset_pricing