The price elasticity of demand coefficient measures
The basic formula for the price elasticity of demand coefficient is
Percent change in quantity demanded/percentage change in price
The demand for a product is inelastic with respect to price if
consumers are largely unresponsive to a per unit price change
If the price elasticity of demand for a product is 2.5, then a price cut from \$2.00 to \$1.80 will
Increase the quantity demanded by about 25 percent
Suppose that as the price of Y falls from \$2 to \$1.90 the quantity of Y demanded increases from from 110 to 118. Then the price elasticity of demand is
\$1.37
Which of the following is not characteristic of the demand for a commodity that is elastic?
The elasticity coefficient is less than one
If the demand for product X is inelastic, a 4 percent increase in the price of X will
Decrease the quantity of X demanded by less than 4%
If a firm can sell 3,000 units of product A at \$10 per unit and 5,000 at \$8, then
The price elasticity of demand is 2.25
A perfectly inelastic demand schedule
Can be represented by a line parallel to the vertical axis
The larger the coefficient of price elasticity of demand for a product, the
smaller the resulting price change for an increase in supply
Most demand curves are relatively elastic in the upper-left portion because the original price
from which the percentage price change is calculated is large and the original quantity from which the percentage change in quantity is calculated is small
The price elasticity of demand for widgets is 0.80. Assuming no change in the demand curve for widgets, a 16% increase in sales implies a
20% reduction in price
Suppose Aiyanna’s Pizzeria currently faces a linear demand curve and is charging a very high price per pizza and doing very little business. Aiyanna now decides to lower pizza prices by 5% per week for an indefinite period of time. We can expect that each successive week
Demand will become less price elastic
The price elasticity of demand of a straight-line demand curve is
Elastic in high-price ranges and inelastic in low-price ranges
A leftward shift in the supply curve of product X will increase equilibrium price to a greater extent the
More inelastic the demand for the product
If the demand for bacon is relatively elastic, a 10% delcine in price of bacon will
Increase the amount demanded by more than 10%
The price elasticity of demand is generally
Negative, but the minus sign is ignored
For a linear demand curve
Demand is elastic at high prices
The price of product X is reduced from \$100 to \$90 and, as a result, the quantity demanded increases from 50 to 60 units. Therefore demand for X in this price range
Is elastic
Suppose we find that the price elasticity of demand for a product is 3.5 when its price is increased by 2%. We can conclude that the quantity demanded
decreased by 7%
The price elasticity of demand for beef is about .60. Other things equal, this means that a 20% increase in the price of beef will cause the quantity of beef demanded to
Decrease by approximately 12%
If a demand for a product is elastic, the value of the price elasticity coefficient is
Greater than one
The concept of price elasticity of demand measures
The sensitivity of consumer purchases to price changes
Suppose the price of local cable TV services increased from \$16.20 to \$19.80 and as a result the number of cable subscribers decreased from 224,000 to 176,000. Along this portion of the demand curve, price elasticity of demand is
1.2
If the price of hand calculators falls from \$10 to \$9 and, as a result, the quantity demanded increases from 100 to 125, then
Demand is elastic
A perfectly inelastic demand curve
Graphs as a line parallel to the vertical axis
If quantity demanded is completely unresponsive to price changes, demand is
Perfectly inelastic
A firm can sell as much as it wants at a constant price. Demand is thus
Perfectly elastic
A demand curve which is parallel to the horizontal axis is
perfectly elastic
When the percentage change in price is greater than the resulting percentage change in quantity demanded
an increase in price will increase total revenue
Suppose the price elasticity coefficients of demand are 1.43,.67,1.11, and .29 for products W,X,Y, and Z respectively. A 1% decrease in price will increase total revenure in the case(s) of
W and Y
Which of the following statements is no correct
In the range of prices in which demand is elastic, total revenue will diminish as price decreases
In which of the following instances will total revenue decline
Price rises and demand is elastic
If a firm’s demand for labor is elastic, a union-negotiated wage increase will
Cause the firm’s total payroll to decline
The Illonois Central Railroad once asked the Illinois Commerce Commission for permission to increase its commuter rates by 20%. The railroad argued that declining revenues made this rate increase essential. Opponents of the rate increase contended that the railroad’s revenues would fall because of the rate hike. It can be concluded that
The railroad felt that the demand for passenger service was inelastic and opponents of the rate increase felt it was elastic
If a firm finds that it can sell \$13,000 worth of product when its price is \$5 per unit and \$11,000 worth of it when its price is \$6, then
The demand for the product is elastic in the \$6-\$5 price range
Suppose the price elasticity of demand for bread is .20. If the price of break falls by 10%, the quantity demanded will increase by
2% and total expenditures on bread will fall
Gigantic State University raises tuition for the purpose of increasing its revenue so that more faculty can be hired. GSU is assuming that the demand for education at GSU is
Relatively inelastic
If the demand for farm products is price inelastic, a good harvest will cause farm revenues to
Decrease
Other things the same, if a price change causes total revenue to change in the opposite direction, demand is
Relatively elastic
If the price elasticity of demand for a product is unity, a decrease in price will
Increase the quantity demanded, but total revenue will be unchanged
In which of the following cases will total revenue increase
Price rises and demand is inelastic
A manufacturer of frozen pizzas found that total revenue decreased when price was lowered from \$5 to \$4. It was also found that total revenue decreased when price was raised from \$5 to \$6. Thus
The demand for pizza is elastic above \$5 and inelastic below \$5
The total-revenue test for elasticity
Does not apply to supply because price and quantity are directly related
If the University Chamber Music Society decides to raise ticket prices to provide more funds to finance concerts, the Society is assuming that the demand for tickets is
Inelastic
The state legislature has cut Gigantic State University’s appropriations. GSU’s Board of Regents decides to increase tuition fees to compensate for the loss of revenue. The board is assuming that the
Demand for education at GSU is inelastic
Which of the following is correct
If demand is elastic, a decrease in price will increase total revenue
Suppose that the price of peanuts falls from \$3 to \$2 per bushel and that, as a result, the total revenue received by peanut farmers changes from \$16 to \$14 billion. Thus
The demand for peanuts is inelastic
Which of the following is correct?
If the demand for a product is inelastic, a change in price will cause total revenue to change in the same direction
The demand schedules for such products as eggs, bread, and electricity tend to be
Relatively price inelastic
The elasticity of demand for a product is likely to be greater
The greater the amount of time over which buyers adjust to a price change
We would expect
The demand for Coca-Cola to be more price elastic than the demand for soft drinks in general
The narrower the definition of a product
The larger the number of substitutes and the greater the price elasticity of demand
The more time consumers have to adjust to a change in price
The greater will be the price elasticity of demand
The demand for autos is likely to be
Less price elastic than the demand for Honda Accords
Price elasticity of demand is generally
Greater in the long run than in the short run
Which of the following generalizations is NOT correct
The price elasticity of demand is greater for necessities than it is for luxuries
If price and total revenue vary in opposite directions, demand is
Relatively elastic
The demand for a luxury good whose purchase would exhaust a big portion of one’s income is
Relatively price elastic
The demand for a necessity whose cost is a small portion of one’s total income is
Relatively price inelastic
The price elasticity of supply measures how
Responsive the quantity supplied of X is to changes in the price of X
The main determinant of elasticity of supply is the
Amount of time the producer has to adjust inputs in response to a price change
Suppose the supply of product X is perfectly inelastic. If there is an increase in the demand for this product, equilibrium price
Will increase but equilibrium quantity will be unchanged
The supply of product X is elastic if the price of X rises by
5% and the quantity supplied rises by 7%
The supply of product X is inelastic (but not perfectly inelastic) if the price of X rises by
7% and the quantity supplied rises by 5%
The elasticity of supply of product X is unitary if the price of X rises by
8% and the quantity supplied rises by 8%
The supply of product X is perfectly inelastic if the price of X rises by
10% and the quantity supplied stays the same
It takes a considerable amount of time to increase the production of pork. This implies that
The short-run supply curve for pork is less elastic than the long-run supply curve for pork
Suppose that the price of product X rises by 20% and the quantity supplied of X increases by 15%. The coefficient of price elasticity of supply for good X is
Less than 1 and therefore supply is inelastic
If the supply of product X is perfectly elastic, an increase in the demand for it will increase
equilibrium quantity but equilibrium price will be unchanged
Suppose the price of a product rises and the total revenue of sellers increases
No conclusion can be reached with respect to the elasticity of supply
Supply curves tend to be
More elastic in the long run because there is time for firms to enter or leave the industry
For an increase in demand the price effect is smallest and the quantity effect is largest
In the long run
A supply curve that is vertical straight line indicates that
A change in price will have no effect on the quantity supplied
A supply curve that is parallel to the horizontal axis suggests that
A change in demand will change the equilibrium quantity but not the price
An increase in demand will increase equilibrium price to a greater extent
The less elastic the supply curve
The supply of known Monet painting is
Perfectly inelastic
Refer to the above information and assume the stadium capacity is 5,000. If the Mudhens’ management charges
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