Econ chapter 4 hw
Demand is income elastic if
a small percentage increase in income results in a large percentage increase in quantity demanded
Dan sells newspapers. Dan says that a 4 percent increase in the price of a newspaper will decrease the quantity of newspapers demanded by 8 percent. According to Dan, the demand for newspapers is ________
elastic
The air route from Dallas to Mexico City is served by more than one airline. The demand for tickets from American Airlines for that route is probably
elastic and more elastic than the demand for all tickets for that route
The price elasticity of demand for furniture is estimated at 1.3. This value means a one percent increase in the
price of furniture will decrease the quantity of furniture demanded by 1.3 percent
The income elasticity of demand is a measure of the responsiveness of the
quantity of a good demanded to changes in income
The elasticity of supply measures the sensitivity of
quantity supplied to a change in price
If hot dog vendors at baseball games want to maximize their total sales revenue, they will have to
set the price of their hot dogs so that the demand is unit elastic
A normal good is defined as a good for which the demand curve
shifts rightward as income increases
The price elasticity of demand measures
the responsiveness of the quantity demanded to changes in price
If the income elasticity for chocolate chip cookies is 1.84, then chocolate chip cookies are
a normal good and income elastic
A 10 percent increase in the quantity of spinach demanded results from a 20 percent decline in its price. The price elasticity of demand for spinach is
0.5
When the price of a movie ticket increases from $5 to $7, the quantity of tickets demanded decreases from 600 to 400 a day. What is the price elasticity of demand for movie tickets?
1.20
Supply is elastic if
a 1 percent change in price leads to a larger percentage change in quantity supplied
Demand is unit elastic when
a change in the price of the product leads to no change in the total revenue
If goods are complements, then their
cross elasticities are negative
The price elasticity of demand for DVDs is 2. If the price of a DVD increased by 2 percent, the quantity demanded will ________
decrease by 4 percent
The price elasticity of supply of laptop computers equals 1.5 if
for every 1 percent that laptop prices increase, computer makers produce another 1.5 percent laptops
If demand for Farmer John's maple syrup is inelastic, then when Farmer John raises the price of maple syrup, his total revenue will
increase
If demand is inelastic, an increase in the price will
increase total revenue
Aglets are the metal or plastic tips on shoelaces that make it easier to lace your shoes. The demand for aglets is probably
inelastic
The cross elasticity of demand measures the responsiveness of the quantity demanded of a particular good to changes in the prices of
its substitutes and its complements
The income elasticity of demand is largest for
luxuries
When consumers' incomes increased 10 percent, the quantity of milk bought increased 5 percent. This result means
milk is a necessity
A university conducts a survey of students, which shows that a 10 percent tuition hike would lead to a 12 percent decrease in the enrollment. If the university wants to increase its total revenue, it should ________ tuition because the demand for education at this university is ________
not raise; elastic
The price elasticity of supply is calculated as the
percentage change in quantity supplied divided by the percentage change in price
The price elasticity of demand is equal to the ________ in the ________ divided by the ________ in the ________
percentage change; quantity demanded; percentage change; price
Blue pens and black pens are close substitutes. The cross elasticity of demand for black pens with respect to the price of blue pens is ________
positive
When consumers' incomes increased 6 percent, the quantity of wine bought increased 12 percent. This result means
wine is a luxury
Donuts and coffee are complements. When the price of a donut increases, the demand for coffee ________ and the cross elasticity of demand for coffee with respect to the price of a donut is ________
decreases; negative
Bus rides and canned soup are inferior goods, so the ________ elasticity of demand is ________
income; negative
The price of milk rises, so the supply of ice cream decreases. there is, as a result a 5 percent increase in the price of ice cream and a 3 percent decrease in the quantity of ice cream sold. The revenue received by ice cream suppliers will ________ because the demand for ice cream is ________
increase; price inelastic
