Price Elasticity of Demand

Demand is unit elastic if it is less than 1.0

• True
• False

Demand is almost always more elastic at higher prices and less elastic at lower prices.

• True
• False

Suppose that elasticity of demand of socks is 0.7.  If the price of socks is reduced by 10%, how will sales be effected?

• sales will grow by more than 10%
• Sales will grow by 10%
• Sales will grow by less than 10%
• Sales will decrease by 10%

The formula for calculating elasticity of demand is:

• The % change in price over the % change in quantity demanded
• The % change in quantity demanded over the % change in price
• The change in price over the change in quantity demaned
• The change in quantity demanded over the change in price

The elasticity of demand for tissues is 0.66. This means the demand for tissues is

• elastic
• unit elastic
• inelastic
• really expensive

The desire to have some good or service and the ability to pay for it

• supply

• equilibrium

• demand

• quantity demanded

Which of these best describes the law of demand?

• if prices go up, quantity demanded will fall and if prices go down, quantity demanded will go up

• if prices go up, quantity demanded will also go up and if prices go down, quantity demanded will also go down

• there is no law of demand, each situation is unique and demand and prices cannot be predicted

• prices will go up for certain goods when quantity demanded goes up and vice versa

A change in the price of a good causes people to buy more or less of an item. This best describes the concept of

• the demand curve

• change in quantity demanded

• change in demand

• elasticity

Elasticity refers to

• how producers of goods and services react to price changes

• how consumers of goods and services react to price changes

• how far a supply of scarce goods can be stretched

• how often the price of a good or service changes when quantity demanded changes

Water has seen an increase in demand 8% this summer, while the price has decreased 12%

• 1.5 inelastic

• 1.5 elastic

• .67 inelastic

• .67 elastic