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ECON 1000 – Microeconomics Cameron Douglas
Chapter 5: Test Questions
When demand is inelastic: there is a small response in quantity demanded when the price rises.
When the price of an item was raised from $12 to $18, the quantity supplied increased from 800 to 1200
per month. The price elasticity of supply is 1.00. Supply is unit elastic.
A clothing store decreases the price of its T-shirts from $20-$16. Corresponding, sales increase from
1200 to 2800 per month. The total revenue increased, indicating that demand is elastic.
Which of the following statements is true?: Products or services in which inputs are readily available
have a more elastic supply.
Suppose that Norma is disappointed in the revenue from her custom dress shop. She is thinking of
raising the price, but she asks you for advice. You decide she should raise the price if demand is
inelastic.
An important factor affecting price elasticity of supply is availability of additional inputs.
A DVD store lowered the price of its DVD's from $11 to $9. Correspondingly, sales increased from 800 to
1200 per month. Ignoring the negative sign, what is the price elasticity of demand?: 2.00. Demand is
elastic.
If the price elasticity of supply is 2.0, when prices rise by 10%, the quantity supplied will: increased by
20.0% and the supply is considered elastic.
Suppose the demand and supply in a market area as in the figure at right. A sales tax of $1 is imposed on
this product. The tax revenue the government recieves from the sales tax is $5. The entire tax will be
paid by sellers.
When the Ottawa Citizen newspaper lowered the weekly subscription price from $5.00 to $3.75 - a
savings of 25% - the number of subscriptions sold increased by 5%. This suggests that their customers
have inelastic demand and that the lower price decreased.
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