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ECON151 Exam 2
University of Delaware (Professor Harris)
45
Economics
Undergraduate 1
11/03/2009

Additional Economics Flashcards

 


 

Cards

Term
If the price elasticity of demand coefficient has a value of .11 then demand is:
Definition
Inelastic
Term
If demand is perfetly inelastic:
Definition
The demand curve is vertical
Term
A demand curve that is elastic:
Definition
Indicates that consumers make relatively large quantity adjustments to a price change
Term

Suppose At&T reduces teh monthly price of its cell phone service from $31.20 to 28.80 and as a result the number of subscribers increased from 142,500 to 157,500 Along this portion of the demand curve, price elasticity of demand is equal to:

 

Definition
1.25
Term
In question 4 above, what will happen to total consumer expenditures on AT&T cell phone service as a result of the price decrease:
Definition
Expenditures will increase
Term
A perfectly elastic demand curve:
Definition
None of the above
Term
If there are few good, close substitues for a good, demand for that good is most likely to be:
Definition
Inelastic
Term

Suppose the bookstore reduces the price it charges for condoms from $1.75 to $1.50 and as a result total spending on condoms increased. What can we conclude about the price elasticity of demand along this portion of the demand curve?:

 

Definition
Its elastic
Term

Graph 1

Between the prices of $24.60 and $23.40 which demand curve is more elastic

Definition
D2
Term

Graph 1

If the price of the good decreased from $24.60 and 23.40, along which demand curve would consumer spending on the good decrease?:

 

Definition
D1
Term

Graph 1:

If the price of the good increased from $23.40 to $24.60 along D2 what would the price elasticity of demand be along this portion of the demand curve?"

 

Definition
1.20
Term
If there are few close substitues for a good, demand tends to be elastic. T or F
Definition
Flase
Term
Demand tends to be relatively more inelastic along the lower, right hand protion of a straight line demand curve. T or F
Definition
True
Term
The shorter the time period availiable the more ______ demand tends to be
Definition
Inelastic
Term
If the quantity suppolied is infinitely responsive to a change in price, supply is:
Definition
Perfectly elastic
Term
If the market supply curve is upward sloping but relatively flat, then supply is:
Definition
elastic
Term

Graph 2:

Which schedule depicts the supply of potatoes with a one year time period

Definition
K (flat, slightly up and to the right)
Term

Graph 2:

Which schedule most accuratley depicts the demand for all brands of cigarettes in the short run:

Definition

M (Vertical, Slightly up and to the left)

 

Term

Graph 2:

Which schedule depicts the supply for peaches in the short run (say within one year):

Definition
J (Vertical, Slightly up and to the right)
Term
For a given change in market demand, which of the following will have a relatively small price change and a relatively large quantity change:
Definition
A highly elastic market supply curve
Term

Suppose the wages paid to UD dining hall workers increased form $8.55 to $9.45 per hour and as a result, the number of job applicants increased by 8%. Along this portion of the supply curve, the supply elasticity coefficient is equal to:

 

Definition
.8
Term
When the market supply curve is highly inelastic an increase in demand will
Definition
Cause a small increase in equilibrium quanitity and big increase in price
Term
Suppose the supply of a good is inelastic. If the market demand decreases total spending on the good will increase. T or F
Definition
False
Term
Which of the following has the most inelastic market supply curve:
Definition
Cardiovascular (heart) surgeons
Term
Over the long run supply tends to become:
Definition
More elastic
Term

Graph 3:

A government imposed price floor is best illustrated by a price of:

Definition
Pc (top horizontal line)
Term

Graph 3:

If the government were to impose a minimum price for milk in an effort to raise the incomes of dairy farmers, it would be depicted by setting a price equal to:

 

Definition
Pc (Top Horizontal line)
Term

Graph 3:

A government price ceiling on interest rates designed to make loanable funds more affordable for low-income individuals would cause:

 

 

Definition
a shortage of Q3-Q1
Term
While price controls can often reduce the harm done to one group by a mandated price, they can impose harm to others. T or F
Definition
True
Term
Which of the following is an example of a price ceiling:
Definition
Gasoline price controls implemented druing the 1970s and 80s
Term
Economic profit is:
Definition

Profits over and above what an owner would have to receive in order to compensate him/her for the time and other resources he/she supplies to the business

 

Term
Impicit costs do not incolce or require a direct, money expenditure. T or F
Definition
True
Term
The law of diminishing marginal returns states:
Definition
As additional units of a variable input are employed with a set of fixed inputs, beyond some point output will increase by smaller and smaller amounts.
Term
The chinese merchants prover: "where there is no gain the loss is obvious" refers to which economic concept discussed in class
Definition
a normal profit
Term
Average total cost (ATC) is at all output levels alawyas below marginal cost (MC). T or F
Definition
False
Term
As output increases, the difference between ATC and average variable cost (AVC) increases. T or F
Definition
False
Term
If a firm's product selling price is ____ the minimum point of its ATC, the firm would be earning at least a normal profit
Definition
Above
Term
Which of the following causes the short-run average toatal cost curve to increase at high levels of output?
Definition
rapidly rising average variable cost
Term

Graph 4:

The vertical distance between ATC and AVC represents

Definition
Average fixed cost
Term
In the short run the firm would receive economic profits if price were:
Definition
above P2
Term
At which price would the firm be earning only a normal profit
Definition
P2
Term
Economies of scale account for
Definition
Falling long-run average cost (LRAC)
Term
"minimum efficient scale of plant": refers to:
Definition
the scale of plant at which long-run average cost stops declining
Term
Along the rising portion of LRAC
Definition
Larger plant sizes result in higher ATC
Term
Larger size sperations always result in lower per unit cost: T or F
Definition
False
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