Which best describes a demand curve ?

Which best describes a demand curve ?

A. the quantity consumers would like to buy in an ideal world
B. The quantity consumers are willing to sell
C. The quantity consumers are willing and able to buy at each and every income all other things unchanged
D. The quantity consumers are willing and able to buy each and every price all other things changed

The price elasticity of demand is the ?

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.

The price of computer chips used in the manufacture of personal computers has fallen. This will lead to _________ personal computer?

The price of computer chips used in the manufacture of personal computers has fallen. This will lead to _________ personal computer?

A. a decrease in the quantity supplied of
B. a decrease in the supply of
C. an increase in the quantity supplied of
D. an increase in the supply of