PPSC Economics Topic 6 Economics Models

Question # 1

The expression increase in quantity supplied is illustrated graphically as a.

Leftward shift in the supply curve A
Rightward shift in the supply curve B
Movement up long the supply curve C
Movement down along the supply curve D

Question # 2

As the price of a good increases, the change in the quantity demanded can be shown by

Shifting the demand curve leftward A
Shifting the demand curve rightward B
Moving down along the same demand curve C
Moving up long the same demand curve D

Question # 3

The percentage change in the quantity demanded in response to a percentage change in the price is known as the.

slope of the demand curve A
Excess demand B
Price elasticity of demand C
All of the above D

Question # 4

If the price of automobiles were to decrease substantially the demand curve for public transpiration would most likely.

shift rightward A
Shift leftward B
Remain unchanged C
Remain unchanged while quantity demanded would change D

Question # 5

If the price of orange juice rises 10% and as a result the quantity demanded falls by 8% the price elastic of demand for orange juice is.

-1.25 A
Inelastic B
Both a and b C
Neither A nor B above D

Question # 6

When two goods are substitutes a shock that raises the price of one good causes the price of the other goods to.

Remain unchanged A
Decrease B
Increase C
Change in an unpredictable manner D

Question # 7

Most Microeconomic models assume that decision makers wish to.

Make themselves as well off as possible A
Act selfishly B
Not cooperate with others C
None of the above D

Question # 8

It is appropriate to use the supply and demand model if in a market.

Everyone is a price taker with full information about the price and quantity of the good. A
Firms sell identical products B
Costs of trading are low C
All of the above D

Question # 9

If the price of automobile were to decrease substantially the demand curve for automobiles would most likely.

shift rightward A
Shift left eard B
Remain unchanged C
Become steeper D

Question # 10

If government regulations prohibit the production of a particular good the demand curve for that good will most likely.

Shift leftward A
Shift rightward B
Remain unchanged C
Disappear D

Question # 11

Economists tend to judge a model based upon

the realty of its assumptions A
The accuracy of its predications B
Its simplicity C
Its complexity D

Question # 12

If the demand curve for a good is horizontal and the price is positive then a leftward shift of the supply curve results in.

a price of zero A
An increase in price B
A decrease in price C
No change in price D

Question # 13

A specific tax on sellers will

shift the demand curve to the right A
Shift the demand curve the left B
Shift the supply curve to the right C
Shift the supply curve to the left D

Question # 14

If price is initially above the equilibrium level.

the supply curve will shift rightward A
The supply curve will shift letward B
Excess supply exists C
All firms can sell as much as they want D

Question # 15

A vertical demand curve for a particular good implies that consumers are.

Sensitive to changes in the price of that good A
Not sensitive to changes in the price of that good. B
Irrational C
Not interested in that good D

Question # 16

Which of the following is an example of a normative statement.

Since this good is bad for you, you should not consume it. A
this good is bad for you B
If you consume this good you will get sick C
People usually get sick after consuming this good D

Question # 17

A vertical demand curve results in.

No change in quantity when the supply curve shifts. A
No change in price when the supply curve shifts B
No change in the supply curve being possible C
No change in quantity when the demand curve shifts. D

Question # 18

If the price of automobiles were to increase substantially the demand curve for gasoline would most likely

Shift leftward A
Shift right ward B
Become flatter C
Become steeper D

Question # 19

For a given positively sloped supply curve the price increase to consumers resulting from a specific tax imposed on sellers will be.

Greater the more price elastic demand is A
Greater the less price elastic demand is B
Equal to the entire tax when demand is perfectly elastic C
Equal to half of the tax whenever demand is unit elastic D

Question # 20

Suppose the demand curve for a good shifts rightward, causing the equilibrium price to increase this increase in the price of the good results in.

A rightward shift of the supply curve A
An increase in quantity supplied B
A leftward shift of the supply curve C
A leftward movement along the supply curve D

Sr.#	Question	Answer
1	If price is initially above the equilibrium level.	A. the supply curve will shift rightward B. The supply curve will shift letward C. Excess supply exists D. All firms can sell as much as they want
2	When two goods are substitutes a shock that raises the price of one good causes the price of the other goods to.	A. Remain unchanged B. Decrease C. Increase D. Change in an unpredictable manner
3	Consumers and firms are known as price takers only it	A. No market exists to determine the equilibrium price B. they can set the market price C. They cannot effect the market price D. Excess demand exists
4	A specific tax on sellers will	A. shift the demand curve to the right B. Shift the demand curve the left C. Shift the supply curve to the right D. Shift the supply curve to the left
5	If the price of automobiles were to decrease substantially the demand curve for public transpiration would most likely.	A. shift rightward B. Shift leftward C. Remain unchanged D. Remain unchanged while quantity demanded would change
6	The expression increase in quantity supplied is illustrated graphically as a.	A. Leftward shift in the supply curve B. Rightward shift in the supply curve C. Movement up long the supply curve D. Movement down along the supply curve
7	Holding all other factors constant consumers demand more of a good the	A. Higher its price B. Lower its price C. Steeper the downward slope of the demand curve D. Steeper the upward slope of the demand curve
8	For a given positively sloped supply curve the price increase to consumers resulting from a specific tax imposed on sellers will be.	A. Greater the more price elastic demand is B. Greater the less price elastic demand is C. Equal to the entire tax when demand is perfectly elastic D. Equal to half of the tax whenever demand is unit elastic
9	If government regulations prohibit the production of a particular good the demand curve for that good will most likely.	A. Shift leftward B. Shift rightward C. Remain unchanged D. Disappear
10	A competitive equilibrium is described by	A. A price only B. A quantity only C. The excess supply minus the exceess demand. D. A price and a quantity

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