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.
(..) That'll be forty. Forty? No, ten. Oh dear, that's no good. See. These are from our winter stock, where supply and demand have a big problem. You want to talk about a supply and demand problem? I sell ice for a living. Ooh, that's a rough business to be in right now. I mean, that is really... (..)2013 Frozen
(..) Well, it may come to change everything about him. We're the last company standing between them and total energy dominance. And we can no longer compete. Soon, they'll control the energy supply of half the world. In effect, they become a new superpower. The world needs Robert Fischer (..)2010 Inception
(..) - Right. Different rules for us. - Nice guy. But artificial. - Thank you. If he can wield the hammer, he can keep the Mind Stone. It's safe with the Vision. And these days, safe is in short supply. - But if you put the hammer in an elevator... - It would still go up. - Elevator's not worthy. (..)2015 Avengers: Age of Ultron