Category: Supply and Demand

The price elasticity of demand is the ?

A. ratio of the change in price to the change in quantity demanded.
B. ratio of the percentage change in quantity demanded to the percentage change in price.
C. ratio of the change in quantity demanded to the change in price.
D. ratio of the percentage change in price to the percentage change in quantity demanded.

Which of the following is consistent with the law of supply ?

A. As the price of calculators rise, the quantity supplied of calculators decreases, ceteris paribus.
B. As the price of calculators calls the supply of calculators increases, ceteris paribus.
C. As the price of calculators rise, the quantity supplied of calculators increases, ceteris paribus.
D. As the price of calculators rise, the supply of calculators increases ceteris paribus.