Microeconomics Chapter 5

If the demand for a good is price inelastic, an increase in its price will increase total revenue in that market.

True

If the income elasticity of demand for a bus ride is negative, then a bus ride is an inferior good.

True

If a demand curve is linear, the price elasticity of demand is constant along it.

False

The demand for a necessity such as petrol tends to be elastic.

False

If the price elasticity of supply for blue jeans is 1.3, an increase in the price of blue jeans of 10 percent would increase the quantity supplied of blue jeans by 13 percent.

True

The demand for tires should be more inelastic than the demand for Michelin brand tires.

True

A decrease in supply (shift to the left) will increase total revenue in that market if a. demand is price inelastic. b. supply is price elastic. c. supply is price inelastic. d. demand is price elastic.

a. demand is price inelastic.

If there is excess capacity in a production facility, it is likely that the firm's supply curve is a. price inelastic. b. none of these answers. c. unit price elastic. d. price elastic.

d. price elastic.

In general, a steeper supply curve is more likely to be a. price elastic. b. none of these answers. c. unit price elastic. d. price inelastic.

d. price inelastic.

If consumers always spend 15 percent of their income on food, then the income elasticity of demand for food is a. 1.50. b. 1.15. c. none of these answers. d. 0.15. e. 1.00.

e. 1.00.

An advance in technology that shifts the market supply curve to the right always increases total revenue received by producers.

False

If the quantity demanded of a good is sensitive to a change in the price of that good, demand is said to be price inelastic.

False

The supply of cars for this week is likely to be more price inelastic than the supply of cars for this year.

True

If the cross-price elasticity of demand between two goods is positive, the goods are likely to be complements.

False

The demand for aspirin over one month should be more elastic than the demand for aspirin over one year.

False

The price elasticity of demand is defined as the percentage change in the price of that good divided by the percentage change in quantity demanded of that good.

False

The income elasticity of demand for luxury items, such as diamonds, tends to be large (greater than 1).

True

The price elasticity of supply tends to be more inelastic as the firm's production facility reaches maximum capacity.

True

Using the midpoint method to calculate elasticity, if an increase in the price of pencils from €0.10 to €0.20 reduces the quantity demanded from 1000 pencils to 500 pencils, then the demand for pencils is unit price elastic.

True

Suppose that at a price of €30 per month, there are 30,000 subscribers to cable television in Small Town. If Small Town Cablevision raises its price to €40 per month, the number of subscribers will fall to 20,000. Using the midpoint method for calculating the elasticity, what is the price elasticity of demand for cable TV in Small Town? a. 1.4 b. 0.66 c. 0.75 d. 2.0 e. 1.0

a. 1.4

If demand is linear (a straight line), then price elasticity of demand is a. elastic in the upper portion and inelastic in the lower portion. b. inelastic in the upper portion and elastic in the lower portion. c. inelastic throughout. d. constant along the demand curve. e. elastic throughout.

a. elastic in the upper portion and inelastic in the lower portion.

If a supply curve for a good is price elastic, then a. the quantity supplied is sensitive to changes in the price of that good. b. the quantity demanded is insensitive to changes in the price of that good. c. the quantity demanded is sensitive to changes in the price of that good. d. the quantity supplied is insensitive to changes in the price of that good. e. none of these answers.

a. the quantity supplied is sensitive to changes in the price of that good.

The demand for which of the following is likely to be the most price inelastic? a. transportation b. taxi rides c. bus tickets d. airline tickets

a. transportation

If a fisherman must sell all of his daily catch before it spoils for whatever price he is offered, once the fish are caught the fisherman's price elasticity of supply for fresh fish is a. zero. b. infinite. c. one. d. unable to be determined from this information

a. zero.

If the income elasticity of demand for a good is negative, it must be a. an elastic good. b. an inferior good. c. a normal good. d. a luxury good.

b. an inferior good.

If the cross-price elasticity between two goods is negative, the two goods are likely to be a. substitutes. b. complements. c. necessities. d. luxuries.

b. complements.

Suppose that at a price of €30 per month, there are 30,000 subscribers to cable television in Small Town. If Small Town Cablevision raises its price to €40 per month, the number of subscribers will fall to 20,000. At which of the following prices does Small Town Cablevision earn the greatest total revenue? a. €0 per month b. €30 per month c. €40 per month d. Either €30 or €40 per month because the price elasticity of demand is 1.0.

b. €30 per month

Which of the following would cause a demand curve for a good to be price inelastic? a. The good is a luxury. b. There are a great number of substitutes for the good. c. The good is a necessity. d. The good is an inferior good.

c. The good is a necessity.

If consumers think that there are very few substitutes for a good, then a. supply would tend to be price elastic. b. none of these answers. c. demand would tend to be price inelastic. d. demand would tend to be price elastic. e. supply would tend to be price inelastic.

c. demand would tend to be price inelastic.

If supply is price inelastic, the value of the price elasticity of supply must be a. infinite. b. zero. c. less than 1. d. none of these answers. e. greater than 1.

c. less than 1.

If a small percentage increase in the price of a good greatly reduces the quantity demanded for that good, the demand for that good is a. income inelastic. b. price inelastic. c. price elastic. d. unit price elastic. e. income elastic.

c. price elastic.

The price elasticity of demand is defined as a. the percentage change in the quantity demanded divided by the percentage change in income. b. the percentage change in income divided by the percentage change in the quantity demanded. c. the percentage change in the quantity demanded of a good divided by the percentage change in the price of that good. d. none of these answers. e. the percentage change in price of a good divided by the percentage change in the quantity demanded of that good.

c. the percentage change in the quantity demanded of a good divided by the percentage change in the price of that good.

If an increase in the price of a good has no impact on the total revenue in that market, demand must be a. all of these answers. b. price inelastic. c. unit price elastic. d. price elastic.

c. unit price elastic.

Technological improvements in agriculture that shift the supply of agricultural commodities to the right tend to a. increase total revenue to farmers as a whole because the demand for food is elastic. b. increase total revenue to farmers as a whole because the demand for food is inelastic. c. reduce total revenue to farmers as a whole because the demand for food is elastic. d. reduce total revenue to farmers as a whole because the demand for food is inelastic.

d. reduce total revenue to farmers as a whole because the demand for food is inelastic.

In general, a flatter demand curve is more likely to be a. price elastic. b. unit price elastic. c. none of these answers. d. price inelastic.

a. price elastic.