Micro Ch 6

Refer to the information. Over the $7-$5 price range, demand is A. perfectly elastic. B. perfectly inelastic. C. elastic. D. inelastic.

D. inelastic

Assume that a 3 percent increase in income across the economy produces a 1 percent decline in the quantity demanded of good X. The coefficient of income elasticity of demand for good X is A. negative, and therefore X is an inferior good. B. negative, and therefore X is a normal good. C. positive, and therefore X is an inferior good. positive and therefore X is a normal good

A. negative, and therefore X is an inferior good.

If quantity demanded is completely unresponsive to price changes, demand is A. perfectly inelastic. B. perfectly elastic. C. relatively inelastic. relatively elastic.

A. perfectly inelastic

If a firm finds that it can sell $13,000 worth of a product when its price is $5 per unit and $11,000 worth of it when its price is $6, then A. the demand for the product is elastic in the $6-$5 price range. B. the demand for the product must have increased. C. elasticity of demand is 0.74. D. the demand for the product is inelastic in the $6-$5 price range.

A. the demand for the product is elastic int he $6-$5 price ranges

Which type of goods is most adversely affected by recessions? A. Goods for which the income elasticity coefficient is relatively low or negative. B. Goods for which the income elasticity coefficient is relatively high and positive. C. Goods for which the cross elasticity coefficient is positive. D. Goods for which the cross elasticity coefficient is negative.

B. Goods for which the income elasticity coefficient is relatively high and positive.

The total-revenue test for elasticity A. is equally applicable to both demand and supply. B. does not apply to demand, because price and quantity are inversely related. C. does not apply to supply, because price and total revenue have a positive correlation. D. applies to the short-run supply curve but not to the long-run supply curve.

C.does not apply to supply, because price and total revenue have a positive correlation.

124. We would expect the cross elasticity of demand between dress shirts and ties to be A. positive, indicating normal goods. B. positive, indicating complementary goods. C. negative, indicating substitute goods. D. negative, indicating complementary goods

D. negative, indicating complementary goods

Refer to the information. If the Mudhens' management wanted to maximize total ticket revenue from the game, it would set the ticket price at A. $5. B. $7. C. $9. D. $13.

B. 7

A perfectly inelastic demand schedule A. rises upward and to the right but has a constant slope. B. can be represented by a line parallel to the vertical axis. C. cannot be shown on a two-dimensional graph. D. can be represented by a line parallel to the horizontal axis.

B. Can be represented by a line parallel to the vertical axis.

A firm can sell as much as it wants at a constant price. Demand is thus A. perfectly inelastic. B. perfectly elastic. C. relatively inelastic. D. relatively elastic.

B. Perfectly elastic

53. If the demand for farm products is price inelastic, a good harvest will cause farm revenues to A. increase. B. decrease. C. be unchanged. D. either increase or decrease, depending on what happens to supply.

B. decrease

Refer to the information. Over the $11-$9 price range, demand is A. perfectly elastic. B. perfectly inelastic. C. elastic. D. inelastic.

C . elastic

In which of the following cases will total revenue increase? A. Price falls and demand is inelastic. B. Price falls and supply is elastic. C. Price rises and demand is inelastic. D. Price rises and demand is elastic.

C.Price rises and demand is inelastic

Which of the following is not characteristic of the demand for a commodity that is elastic? A. The relative change in quantity demanded is greater than the relative change in price. B. Buyers are relatively sensitive to price changes. C. Total revenue increases if price is increased. D. The elasticity coefficient is greater than one.

C.Total revenue increases if price is increased.

A perfectly inelastic demand curve A. has a price elasticity coefficient greater than unity. B. has a price elasticity coefficient of unity throughout. C. graphs as a line parallel to the vertical axis. D. graphs as a line parallel to the horizontal axis.

C.graphs as a line parallel to the vertical axis.

For a linear demand curve, A. elasticity is constant along the curve. B. elasticity is unity at every point on the curve. C. demand is elastic at relatively low prices. D. demand is elastic at relatively high prices.

D. Demand is elastic at relatively 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 A. has declined. B. is of unit elasticity. C. is inelastic. D. is elastic.

D. Is elastic

In which of the following instances will total revenue decline? A. Price rises and supply is elastic. B. Price falls and demand is elastic. C. Price rises and demand is inelastic. D. Price rises and demand is elastic.

D. Price rises and demand is elastic

Assume that a 4 percent increase in income across the economy produces an 8 percent increase in the quantity demanded of good X. The coefficient of income elasticity of demand is A. negative, and therefore X is an inferior good. B. negative, and therefore X is a normal good. C. positive, and therefore X is an inferior good. D. positive, and therefore X is a normal good.

D. positive, and therefore X is a normal good.

If price and total revenue vary in opposite directions, demand is A. perfectly inelastic. B. perfectly elastic. C. relatively inelastic. D. relatively elastic

D. relatively elastic

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 A. decreasing. B. relatively elastic. C. perfectly elastic. D. relatively inelastic.

D. relatively inelastic

Suppose the total-revenue curve is derived from a particular linear demand curve. That demand curve must be A. inelastic for price declines that increase quantity demanded from 2 units to 3 units. B. elastic for price declines that increase quantity demanded from 5 units to 6 units. C. unit elastic for price increases that reduce quantity demanded from 5 units to 4 units. D. inelastic for price increases that reduce quantity demanded from 4 units to 3 units.

C.unit elastic for price increases that reduce quantity demanded from 5 units to 4 units.

Refer to the information. Over the $9-$7 price range, demand is A. perfectly elastic. B. perfectly inelastic. C. elastic. D. inelastic.

C. elastic

The price elasticity of demand is relatively inelastic A. in the $6-$4 price range. B. over the entire $6-$1 price range. C. in the $3-$1 price range. D. in the $6-$5 price range only.

C. in the $3-$1 price range

61. 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 A. parallel to the horizontal axis. B. shifting to the left. C. inelastic. D. elastic.

C. inelastic

If this demand schedule were graphed, we would find that A. its slope diminishes as we move southeast down the curve. B. its slope diminishes as we move northwest up the curve. C. its slope is constant throughout. D. the data are inconsistent with the law of demand.

C. its slope is constant throughout

Suppose that a 10 percent increase in the price of normal good Y causes a 20 percent increase in the quantity demanded of normal good X. The coefficient of cross elasticity of demand is A. negative, and therefore these goods are substitutes. B. negative, and therefore these goods are complements. C. positive, and therefore these goods are substitutes. D. positive, and therefore these goods are complements.

C. positive, and therefore these goods are substitutes.

124. We would expect the cross elasticity of demand between Pepsi and Coke to be A. positive, indicating normal goods. B. positive, indicating inferior goods. C. positive, indicating substitute goods. D. negative, indicating substitute goods.

C. positive, indicating substitute goods.

The demand for a necessity whose cost is a small portion of one's total income is A. perfectly price inelastic. B. perfectly price elastic. C. relatively price inelastic. D. relatively price elastic.

C. relatively price inelastic.

124. If the income elasticity of demand for store brand macaroni and cheese is −3.00, this means that A. store brand macaroni and cheese is a substitute for name brand macaroni and cheese. B. store brand macaroni and cheese is a normal good. C. store brand macaroni and cheese is an inferior good. D. more store brand macaroni and cheese will be purchased when its price falls.

C. store brand macaroni and cheese is an inferior good.

The Illinois Central Railroad once asked the Illinois Commerce Commission for permission to increase its commuter rates by 20 percent. 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 A. both groups felt that the demand was elastic but for different reasons. B. both groups felt that the demand was inelastic but for different reasons. C. the railroad felt that the demand for passenger service was inelastic and opponents of the rate increase felt it was elastic. D. the railroad felt that the demand for passenger service was elastic and opponents of the rate increase felt it was inelastic.

C.the railroad felt that the demand for passenger service was inelastic and opponents of the rate increase felt it was elastic.

In which price range of the accompanying demand schedule is demand elastic? A. $4-$3 B. $3-$2 C. $2-$1 D. below $1

A. $4-$3

The demand for a product is inelastic with respect to price if A. consumers are largely unresponsive to a per unit price change. B. the elasticity coefficient is greater than 1. C. a drop in price is accompanied by a decrease in the quantity demanded. D. a drop in price is accompanied by an increase in the quantity demanded.

A. Consumers are largely unresponsive to a per unit price change

Suppose that as the price of Y falls from $2.00 to $1.90, the quantity of Y demanded increases from 110 to 118. Then the absolute value of the price elasticity (using the midpoint formula) is A. 4.00. B. 2.09. C. 1.37. D. 3.94.

C. 1.37

Suppose we find that the price elasticity of demand for a product is 3.5 when its price is increased by 2 percent. We can conclude that quantity demanded A. increased by 7 percent. B. decreased by 7 percent. C. decreased by 9 percent. D. decreased by 1.75 percent.

B. decrease by 7%

The price elasticity of demand coefficient measures A. buyer responsiveness to price changes. B. the extent to which a demand curve shifts as incomes change. C. the slope of the demand curve. D. how far business executives can stretch their fixed costs.

A. Buyer responsiveness to prove changes

Suppose the price elasticity coefficients of demand are 1.43, 0.67, 1.11, and 0.29 for products W, X, Y, and Z, respectively. A 1 percent decrease in price will increase total revenue in the cases of A. W and Y. B. Y and Z. C. X and Z. D. Z and W.

A. W&Y

The price elasticity of demand of a straight-line demand curve is A. elastic in high-price ranges and inelastic in low-price ranges. B. elastic but does not change at various points on the curve. C. inelastic but does not change at various points on the curve. D. 1 at all points on the curve.

A.elastic in high-price ranges and inelastic in low-price ranges

Suppose that the total-revenue curve is derived from a particular linear demand curve. That demand curve must be A. inelastic for price declines that increase quantity demanded from 6 units to 7 units. B. elastic for price declines that increase quantity demanded from 6 units to 7 units. C. inelastic for price increases that reduce quantity demanded from 4 units to 3 units. elastic for price increases that reduce quantity demanded from 8 units to 7 units

A.inelastic for price declines that increase quantity demanded from 6 units to 7 units.

The price elasticity of demand is generally A. negative, but the minus sign is ignored. B. positive, but the plus sign is ignored. C. positive for normal goods and negative for inferior goods. D. positive because price and quantity demanded are inversely related.

A.negative, but the minus sign is ignored.

The price elasticity of demand is unity A. throughout the entire price range, because the slope of the demand curve is constant. B. in the $4-$3 price range only. C. over the entire $3-$1 price range. D. over the entire $6-$4 price range.

B.in the $4-$3 price range only.

124. The formula for cross elasticity of demand is percentage change in A. quantity demanded of X/percentage change in price of X. B. quantity demanded of X/percentage change in income. C. quantity demanded of X/percentage change in price of Y. D. price of X/percentage change in quantity demanded of Y.

C. quantity demanded of X/percentage change in price of Y.

Refer to the diagram. In the P1P2 price range, demand is A. of unit elasticity. B. relatively inelastic. C. relatively elastic. D. perfectly elastic.

C. relatively elastic

We would expect the cross elasticity of demand for Pepsi to be greater in relation to other soft drinks than that for soft drinks in general because A. soft drinks are normal goods. B. the income effect always exceeds the substitution effect. C. there are fewer good substitutes for soft drinks as a whole than for Pepsi specifically. D. there are more good substitutes for soft drinks as a whole than for Pepsi specifically.

C. there are fewer good substitutes for soft drinks as a whole than for Pepsi specifically.

Most demand curves are relatively elastic in the upper-left portion because the original price A. and quantity from which the percentage changes in price and quantity are calculated are both large. B. and quantity from which the percentage changes in price and quantity are calculated are both small. C. from which the percentage price change is calculated is small and the original quantity from which the percentage change in quantity is calculated is large. D. 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.

D. 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.

Assume that a 6 percent increase in income in the economy produces a 3 percent increase in the quantity demanded of good X. The coefficient of income elasticity of demand is A. negative, and therefore X is an inferior good. B. positive but less than one; therefore X is an inferior good. C. positive, and therefore X is an inferior good. D. positive, and therefore X is a normal good

D. positive, and therefore X is a normal good

The demand for a luxury good whose purchase would exhaust a big portion of one's income is A. perfectly price inelastic. B. perfectly price elastic. C. relatively price inelastic. D. relatively price elastic.

D. relatively price elastic.

The larger the coefficient of price elasticity of demand for a product, the A. larger the resulting price change for an increase in supply. B. more rapid the rate at which the marginal utility of that product diminishes. C. less competitive will be the industry supplying that product. D. smaller the resulting price change for an increase in supply.

D. smaller the resulting price change for an increase in supply

If the price elasticity of demand for a product is unity, a decrease in price will A. have no effect upon the amount purchased. B. increase the quantity demanded and increase total revenue. C. increase the quantity demanded but decrease total revenue. D. increase the quantity demanded, but total revenue will be unchanged.

D.increase the quantity demanded, but total revenue will be unchanged.

The more time consumers have to adjust to a change in price, A. the smaller will be the price elasticity of demand. B. the greater will be the price elasticity of demand. C. the more likely the product is a normal good. D. the more likely the product is an inferior good.

B. the greater will be the price elasticity of demand.

Type: Table 124. Suppose the income elasticity of demand for toys is +2.00. This means that A. a 10 percent increase in income will increase the purchase of toys by 20 percent. B. a 10 percent increase in income will increase the purchase of toys by 2 percent. C. a 10 percent increase in income will decrease the purchase of toys by 2 percent. D. toys are an inferior good.

A. a 10 percent increase in income will increase the purchase of toys by 20 percent.

If the price of hand calculators falls from $10 to $9 and, as a result, the quantity demanded increases from 100 to 125, then A. demand is price elastic. B. demand is price inelastic. C. demand is unit elastic with respect to price. D. not enough information is given to make a statement about elasticity.

A. demand is price elastic

Price elasticity of demand is generally A. greater in the long run than in the short run. B. greater in the short run than in the long run. C. the same in both the short run and the long run. D. greater for "necessities" than it is for "luxuries."

A. greater in the long run than in the short run.

The price elasticity of demand is relatively elastic A. in the $6-$4 price range. B. over the entire $6-$1 price range. C. in the $3-$1 price range. D. in the $6-$5 price range only.

A. in the $6-$4 price range

The demand for autos is likely to be A. less price elastic than the demand for Honda Accords. B. more price elastic than the demand for Honda Accords. C. of the same price elasticity as the demand for Honda Accords. D. perfectly inelastic.

A. less price elastic than the demand for Honda Accords.

The narrower the definition of a product, A. the larger the number of substitutes and the greater the price elasticity of demand. B. the smaller the number of substitutes and the greater the price elasticity of demand. C. the larger the number of substitutes and the smaller the price elasticity of demand. D. the smaller the number of substitutes and the smaller the price elasticity of demand.

A. the larger the number of substitutes and the greater the price elasticity of demand.

Cross elasticity of demand measures how sensitive purchases of a specific product are to changes in A. the price of some other product. B. the price of that same product. C. income. the general price level

A. the price of some other product.

Which of the following is correct? A. Although the slope of the demand curve is constant, price elasticity declines as we move from high to low price ranges. B. Although the slope of the demand curve is constant, price elasticity increases as we move from high to low price ranges. C. Although the demand curve is convex to the origin, price elasticity of demand is constant throughout. D. A steep slope means demand is inelastic; a flat slope means demand is elastic.

A.Although the slope of the demand curve is constant, price elasticity declines as we move from high to low price ranges.

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, A. the demand for pizza is elastic above $5 and inelastic below $5. B. the demand for pizza is elastic both above and below $5. C. the demand for pizza is inelastic above $5 and elastic below $5. D. $5 is not the equilibrium price of pizza.

A.the demand for pizza is elastic above $5 and inelastic below $5.

The elasticity of demand for a product is likely to be greater, A. if the product is a necessity, rather than a luxury good. B. the greater the amount of time over which buyers adjust to a price change. C. the smaller the proportion of one's income spent on the product. the smaller the number of substitute products available

B. the greater the amount of time over which buyers adjust to a price change.

Suppose the price of local cable TV service 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 A. 0.8. B. 1.2. C. 1.6. D. 8.0.

B. 1.2

If demand for a product is elastic, the value of the price elasticity coefficient is A. zero. B. greater than one. C. equal to one. D. less than one.

B. Greater than one

A demand curve that is parallel to the horizontal axis is A. perfectly inelastic. B. perfectly elastic. C. relatively inelastic. relatively elastic

B. Perfectly elastic

Which of the following generalizations is not correct? A. The larger an item is in one's budget, the greater the price elasticity of demand. B. The price elasticity of demand is greater for necessities than it is for luxuries. C. The larger the number of close substitutes available, the greater will be the price elasticity of demand for a particular product. D. The price elasticity of demand is greater the longer the time period under consideration.

B. The price elasticity of demand is greater for necessities than it is for luxuries.

124. The larger the positive cross elasticity coefficient of demand between products X and Y, the A. stronger their complementariness. B. greater their substitutability. C. smaller the price elasticity of demand for both products. D. less sensitive purchases of each are to increases in income.

B. greater their substitutability.

Suppose that a 20 percent increase in the price of normal good Y causes a 10 percent decline in the quantity demanded of normal good X. The coefficient of cross elasticity of demand is A. negative, and therefore these goods are substitutes. B. negative, and therefore these goods are complements. C. positive, and therefore these goods are substitutes. D. positive, and therefore these goods are complements.

B. negative, and therefore these goods are complements.

The basic formula for the price elasticity of demand coefficient is A. absolute decline in quantity demanded/absolute increase in price. B. percentage change in quantity demanded/percentage change in price. C. absolute decline in price/absolute increase in quantity demanded. D. percentage change in price/percentage change in quantity demanded.

B. percentage change in quantity demanded/percentage change in price.

Other things the same, if a price change causes total revenue to change in the opposite direction, demand is A. perfectly inelastic. B. relatively elastic. C. relatively inelastic. D. of unit elasticity.

B. relatively elastic

Refer to the diagram. In the P3P4 price range, demand is A. of unit elasticity. B. relatively inelastic. C. relatively elastic. D. perfectly elastic.

B. relatively inelastic

Compared to coffee, we would expect the cross elasticity of demand for A. tea to be negative, but positive for cream. B. tea to be positive, but negative for cream. C. both tea and cream to be negative. both tea and cream to be positive

B. tea to be positive, but negative for cream.

We would expect A. the demand for Coca-Cola to be less price elastic than the demand for soft drinks in general. B. the demand for Coca-Cola to be more price elastic than the demand for soft drinks in general. C. no relationship between the price elasticity of demand for Coca-Cola and the price elasticity of demand for soft drinks in general. D. none of the other answers to hold true.

B. the demand for Coca-Cola to be more price elastic than the demand for soft drinks in general.

If a firm's demand for labor is elastic, a union-negotiated wage increase will A. necessarily be inflationary. B. cause the firm's total payroll to increase. C. cause the firm's total payroll to decline. D. cause a shortage of labor.

C. cause the firm's total payroll to decline

Suppose the price elasticity of demand for bread is 0.20. If the price of bread falls by 10 percent, the quantity demanded will increase by A. 2 percent and total expenditures on bread will rise. B. 2 percent and total expenditures on bread will fall. C. 20 percent and total expenditures on bread will fall. D. 20 percent and total expenditures on bread will rise.

B.2 percent and total expenditures on bread will fall.

Which of the following is correct? A. If the demand for a product is inelastic, a change in price will cause total revenue to change in the opposite direction. B. If the demand for a product is inelastic, a change in price will cause total revenue to change in the same direction. C. If the demand for a product is inelastic, a change in price may cause total revenue to change in either the opposite or the same direction. D. The price elasticity coefficient applies to demand, but not to supply.

B.If the demand for a product is inelastic, a change in price will cause total revenue to change in the same direction.

Which of the following statements is not correct? A. If the relative change in price is greater than the relative change in the quantity demanded associated with it, demand is inelastic. B. In the range of prices in which demand is elastic, total revenue will diminish as price decreases. C. Total revenue will not change if price varies within a range where the elasticity coefficient is unity. D. Demand tends to be elastic at high prices and inelastic at low prices.

B.In the range of prices in which demand is elastic, total revenue will diminish as price decreases.

The price elasticity of demand for beef is about 0.60. Other things equal, this means that a 20 percent increase in the price of beef will cause the quantity of beef demanded to A. increase by approximately 12 percent. B. decrease by approximately 12 percent. C. decrease by approximately 32 percent. D. decrease by approximately 26 percent.

B.decrease by approximately 12 percent.

The state legislature has cut Gigantic State University's appropriations. GSU's Board of Regents decides to increase tuition and fees to compensate for the loss of revenue. The board is assuming that the A. demand for education at GSU is elastic. B. demand for education at GSU is inelastic. C. coefficient of price elasticity of demand for education at GSU is unity. D. coefficient of price elasticity of demand for education at GSU is greater than unity.

B.demand for education at GSU is inelastic.

If the demand for bacon is relatively elastic, a 10 percent decline in the price of bacon will A. decrease the amount demanded by more than 10 percent. B. increase the amount demanded by more than 10 percent. C. decrease the amount demanded by less than 10 percent. D. increase the amount demanded by less than 10 percent.

B.increase the amount demanded by more than 10 percent.

61. 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, A. the demand for peanuts is elastic. B. the demand for peanuts is inelastic. C. the demand curve for peanuts has shifted to the right. D. no inference can be made as to the elasticity of demand for peanuts.

B.the demand for peanuts is inelastic.

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 percent per week for an indefinite period of time. We can expect that each successive week, A. demand will become more price elastic. B. price elasticity of demand will not change as price is lowered. C. demand will become less price elastic. D. the elasticity of supply will increase.

C. demand will become less price elastic

The price elasticity of demand for widgets is 0.80. Assuming no change in the demand curve for widgets, a 16 percent increase in sales implies a A. 1 percent reduction in price. B. 12 percent reduction in price. C. 20 percent reduction in price. D. 40 percent reduction in price

C. 20% reduction in price

61. Which of the following is correct? A. If demand is elastic, an increase in price will increase total revenue. B. If demand is elastic, a decrease in price will decrease total revenue. C. If demand is elastic, a decrease in price will increase total revenue. D. If demand is inelastic, an increase in price will decrease total revenue.

C. If demand is elastic, a decrease in price will increase total revenue.

If the price elasticity of demand for a product is 2.5, then a price cut from $2.00 to $1.80 will A. increase the quantity demanded by about 2.5 percent. B. decrease the quantity demanded by about 2.5 percent. C. increase the quantity demanded by about 25 percent. D. increase the quantity demanded by about 250 percent

C. Increase the quantity demanded by about 25 percent.

The demand schedules for such products as eggs, bread, and electricity tend to be A. perfectly price elastic. B. of unit price elasticity. C. relatively price inelastic. D. relatively price elastic.

C. Relatively price inelastic

If a firm can sell 3,000 units of product A at $10 per unit and 5,000 at $8, then A. the price elasticity of demand is 0.44. B. A is a complementary good. C. the price elasticity of demand is 2.25. D. A is an inferior good.

C. The price elasticity of demand is 2.25

When the percentage change in price is greater than the resulting percentage change in quantity demanded, A. a decrease in price will increase total revenue. B. demand may be either elastic or inelastic. C. an increase in price will increase total revenue. D. demand is elastic.

C. an increase in price will increase total revenue

The diagram suggests that A. X and Y are both inferior goods. B. X and Y are both normal goods. C. X and Y are substitute goods. D. X and Y are independent goods.

D. X and Y are independent goods.

Which of the following goods (with their respective income elasticity coefficients in parentheses) will most likely suffer a decline in demand during a recession? A. dinner at a nice restaurant (+1.8) B. chicken purchased at the grocery store for preparation at home (+0.25) C. second-hand clothing (-0.6) D. plasma screen and LCD TVs (+4.2)

D. plasma screen and LCD TVs (+4.2)

Suppose the total-revenue curve is derived from a particular linear demand curve. That demand curve must be A. inelastic for price declines that increase quantity demanded from 2 units to 3 units. B. elastic for price declines that increase quantity demanded from 5 units to 6 units. C. inelastic for price increases that reduce quantity demanded from 4 units to 3 units. D. elastic for price increases that reduce quantity demanded from 4 units to 3 units.

D.elastic for price increases that reduce quantity demanded from 4 units to 3 units.

If the demand for product X is inelastic, a 4 percent decrease in the price of X will A. decrease the quantity of X demanded by more than 4 percent. B. decrease the quantity of X demanded by less than 4 percent. C. increase the quantity of X demanded by more than 4 percent. D. increase the quantity of X demanded by less than 4 percent.

D.increase the quantity of X demanded by less than 4 percent.

A leftward shift in the supply curve of product X will increase equilibrium price to a greater extent the A. more elastic the supply curve. B. larger the elasticity of demand coefficient. C. more elastic the demand for the product. D. more inelastic the demand for the product.

D.more inelastic the demand for the product.

The concept of price elasticity of demand measures A. the slope of the demand curve. B. the number of buyers in a market. C. the extent to which the demand curve shifts as the result of a price decline. D. the sensitivity of consumer purchases to price changes.

D.the sensitivity of consumer purchases to price changes.