How to Incentivise Companies to Have Back Stock on Hand

No company is going to voluntarily lower their profit margins if the other companies don't doiit themselves as well. So there's going to have to be some sort of forcing of companies to, a, have that on hand. And i don't see just being able to write a law that says, oh, well, you're required to have this much back stock on hand as being a functional way to work. Thecapitalism itself is kind of the problem.