The rationing function of prices refers to the:

A.  tendency of supply and demand to shift in opposite directions.
B.  fact that ration coupons are needed to alleviate wartime shortages of goods.
C.  ability of the market system to generate an equitable distribution of income.
D.   capacity of a competitive market to equalize quantity demanded and quantity supplied.

FOORQUIZ ANSWER:

D.   capacity of a competitive market to equalize quantity demanded and quantity supplied.