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 the following actions should be taken by all the members of the public. Stay indoors if at all possible. Have enough food and water supplies for sheltering for one to two weeks. The following message is transmitted at the request of the New Jersey State Police Department. (..)2013 World War Z