Question : 31) To find the market demand curve for in-line skates, : 1238415

 

31) To find the market demand curve for in-line skates, we must

A) add the quantities demanded at every price and every income by every buyer of in-line skates.

B) add the quantities demanded at prices that all buyers can afford to pay.

C) sum horizontally the individual demand curves of all the buyers.

D) take account of the skate buying plans of all actual and potential buyers in all possible situations.

E) None of the above answers is correct because we need also to take account of the supply of in-line skates.

32) The phrase “a change in demand” most directly implies a

A) movement along a demand curve.

B) movement along the price curve.

C) change in the quantity demanded of a good.

D) shift of the demand curve.

E) movement along the quantity curve.

33) When demand increases,

A) consumers are willing to buy more at any price.

B) consumers buy more of the good only if its price falls.

C) the price is lower at any level of quantity demanded.

D) consumers buy more of the good only if its price rises.

E) the demand curve shifts leftward.

34) A change in the demand for apples could result from any of the following EXCEPT

A) a change in the number of buyers.

B) increased preferences for fresh fruit consumption for health reasons.

C) a change in the price of an apple.

D) a change in the price of a banana.

E) a change in income.

35) Changes in which of the following factors do NOT shift the demand curve?

A) the price of the good

B) buyers’ incomes

C) the price of a substitute good

D) the number of buyers

E) the price expected in the future

36) If the demand for used cars decreases after the price of a new car falls, used cars and new cars are

A) inferior goods.

B) substitute goods.

C) complementary goods.

D) normal goods.

E) The questions errs because it is the quantity of used cars, NOT the demand for used cars, that will change when the price of a new car falls.

37) Consumers regard Dell computers and Apple computers as substitutes. If the price of a Dell computer decreases, the

A) demand for Dell computers increases.

B) demand for Apple computers increases.

C) demand for Apple computers decreases.

D) supply of Dell computers increases.

E) demand for Dell computers decreases.

38) Which of the following increases the demand for a good or service?

A) a fall in the price of the good or service

B) a smaller number of consumers wanting to buy the good or service

C) a rise in the price of the good or service

D) a rise in the price of a substitute good or service

E) a rise in the price of a complement

39) Consider the market for smart phones. Which of the following shifts the demand curve rightward?

A) an increase in the price of smart phones

B) a decrease in the price of smart phones

C) an increase in the price of land-line phone service, a substitute for smart phones

D) a decrease in the number of smart phone buyers

E) an increase in the supply of smart phones

40) A decrease in the price of driver liability insurance will ________ the ________  for new automobiles.

A) increase; demand

B) increase; supply

C) decrease; demand

D) decrease; supply

E) None of the above is correct.

 

 

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