The law of supply and demand is one of the basic principles in . In terms, the law of supply and demand states that when an item is scarce, but many people want it, the price of that item will rise. Conversely, if there is a larger supply of an item than consumer demand warrants, the price will fall.
Supply and demand and until they achieve balance.

Vocabulary :
loi =
offre =
demande =
principes =
article =
rare =
s'élever, monter = to
réciproquement =
consommateur =
justifier = to
tomber = to
jusqu'à ce que =
atteindre = to
équilibre =