If the company produces less of a product than the public wants, the 'law of supply and demand' says that the company can charge more for the product.
Doctors are 'in short supply'. [=there are not enough doctors]
The state is trying to disrupt the 'supply' of illegal drugs.
(..) You'll have to bring your own horses. How many of you can bring your own guns? How many of you will want me to supply you with guns? Well... come on now. I think it's up to us to do something, don't you? What's the point? They're probably (..)1969 Butch Cassidy and the Sundance Kid