Question : 10.2   Where Demand Curves Come From Figure 10-1 1) Refer to Figure : 1387703

 

10.2   Where Demand Curves Come From

 

Figure 10-1

 

 

1) Refer to Figure 10-1. When the price of hoagies increases from $5.00 to $5.75, quantity demanded decreases from Q1 to Q0. This change in quantity demanded is due to

A) the price and output effects.

B) the income and substitution effects.

C) the fact that marginal willingness to pay falls.

D) the law of diminishing marginal utility.

 

2) Refer to Figure 10-1.  Which of the following statements is true?

A) Quantities Q0 and Q1 are the utility-maximizing quantities of hoagies at two different prices of hoagies.

B) Quantities Q0 and Q1 may not necessarily be the utility-maximizing quantities of hoagies at two different prices because we have no information on the consumer’s budget or the price of other goods.

C) Quantity Q0 could be a utility-maximizing choice if the price is $5.75, but quantity Q1 may not be because we have no information on the marginal utility per dollar when price changes.

D) Quantities Q0 and Q1 are derived independently of the utility-maximizing model.

 

 

3) In order to derive an individual’s demand curve for salmon, we would observe what happens to the utility-maximizing bundle when we change

A) income and hold everything else constant.

B) tastes and preferences and hold everything else constant.

C) the price of the product and hold everything else constant.

D) the price of a close substitute and hold everything else constant.

 

 

4) Along a downward-sloping linear demand curve,

A) the marginal utility from the consumption of each unit of the good and the total utility from consuming larger quantities increase.

B) the marginal utility from the consumption of each unit of the good and the total utility from consuming larger quantities remain constant.

C) the marginal utility from the consumption of each unit of the good falls and the total utility from consuming larger quantities increases.

D) the marginal utility from the consumption of each unit of the good rises and the total utility from consuming larger quantities remain constant.

 

5) Economists Robert Jensen and Nolan Miller reasoned that to be a Giffen good, with an income effect larger than its substitution effect, a good must be ________ and make up a ________ portion of a consumer’s budget.

A) a normal good; very small

B) an inferior good; very small

C) a normal good; very large

D) an inferior good; very large

 

 

6) The demand curve for a Giffen good is

A) non-linear but downward sloping.

B) vertical.

C) upward sloping.

D) non-existent.

 

 

7) Giffen goods

A) are theoretical and have never been discovered in the real world.

B) have not existed since prior to the Industrial Revolution.

C) were proven to exist in the 1890s by Sir Robert Giffen.

D) were not shown to actually exist until 2006.

 

8) We can derive the market demand curve for gold earrings

A) only if the tastes of all gold earring consumers are similar.

B) by adding horizontally the individual demand curves of each gold earring consumer.

C) by adding vertically the quantity demanded of each gold earring consumed at each price.

D) by adding the prices each gold earring consumer is willing to pay for each quantity.

 

 

9) The income effect due to a price decrease will result in an increase in the quantity demanded for

A) a Giffen good.

B) an inferior good.

C) a public good.

D) a normal good.

 

 

 

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