What is the word for when demand exceeds supply?

Question

can't think of it...I'm sure there's a word...I think it connects directly with the using up of natural resources, such as coal.

For every two barrels of coal used, ONE barrel is produced.

Answer 1

Peak?

Answer 2

Shortage.

Answer 3

inflation

Answer 4

Its called profit!

Answer 5

A seller's market? The prices go up in that situation so maybe you're looking for inflation?

Answer 6

scarcity.

Answer 7

Deficit

Answer 8

hmmm.. Over-demand?