Consider the market for pens. Suppose that the number of students with an allergy to pencil erasers increases, causing more students to switch from pencils to pens in school. Moreover, the price of Ink, an important input in pen production, has dropped considerably. On the following graph, labeled Scenario 1, indicate the effect these two events have on the demand for and supply of pens. Note: Select and drag one or both of the curves to the desired position. Curves will snap into position, so if you try to move a curve and it snaps back to its original position, just drag it a little farther. Scenario 1 Supply Demand

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Consider the market for pens. Suppose that the number of students with an allergy to pencil
erasers increases, causing more students to switch from pencils to pens in school. Moreover, the
price of ink, an important input in pen production, has dropped considerably.
On the following graph, labeled Scenario 1, indicate the effect these two events have on the
demand for and supply of pens.
Note: Select and drag one or both of the curves to the desired position. Curves will snap into
position, so if you try to move a curve and it snaps back to its original position, just drag it a little
farther.
10
1
0
2
Scenario 1
Equilibrium
Object
Price
Quantity
Supply
True
False
Demand
QUANTITY (Mons of pens)
Next, complete the following graph, labeled Scenario 2, by shifting the supply and demand curves
In the same way that you did on the Scenario 1 graph.
Scenario 2
Supply
Demand
QUANTITY()
'0
Demand
9 10
Scenario 1
Supply
Demand
(?)
Supply
Compare both the Scenario 1 and Scenario 2 graphs. Notice that after completing both graphs, you
can now see a difference between them that wasn't apparent before the shifts because each graph
indicates different magnitudes for the supply and demand shifts in the market for pens.
Use the results of your answers on both the Scenario 1 and Scenario 2 graphs complete the
following table. Begin by indicating the overall change in the equilibrium price and quantity after
the shift in demand or supply for each shift-magnitude scenario. Then, in the final column, indicate
the resulting change in the equilibrium price and quantity when supply and demand shift in the
direction you previously indicated on both graphs. If you cannot determine the answer without
knowing the magnitude of the shifts, choose Cannot determine.
Change in Equilibrium Objects
Scenario 2
(?)
When Shift Magnitudes Are
Unknown
True or False: When both the demand and supply curves shift, the curve that shifts by the smaller
magnitude determines the effect on the undetermined equilibrium object.
Transcribed Image Text:Consider the market for pens. Suppose that the number of students with an allergy to pencil erasers increases, causing more students to switch from pencils to pens in school. Moreover, the price of ink, an important input in pen production, has dropped considerably. On the following graph, labeled Scenario 1, indicate the effect these two events have on the demand for and supply of pens. Note: Select and drag one or both of the curves to the desired position. Curves will snap into position, so if you try to move a curve and it snaps back to its original position, just drag it a little farther. 10 1 0 2 Scenario 1 Equilibrium Object Price Quantity Supply True False Demand QUANTITY (Mons of pens) Next, complete the following graph, labeled Scenario 2, by shifting the supply and demand curves In the same way that you did on the Scenario 1 graph. Scenario 2 Supply Demand QUANTITY() '0 Demand 9 10 Scenario 1 Supply Demand (?) Supply Compare both the Scenario 1 and Scenario 2 graphs. Notice that after completing both graphs, you can now see a difference between them that wasn't apparent before the shifts because each graph indicates different magnitudes for the supply and demand shifts in the market for pens. Use the results of your answers on both the Scenario 1 and Scenario 2 graphs complete the following table. Begin by indicating the overall change in the equilibrium price and quantity after the shift in demand or supply for each shift-magnitude scenario. Then, in the final column, indicate the resulting change in the equilibrium price and quantity when supply and demand shift in the direction you previously indicated on both graphs. If you cannot determine the answer without knowing the magnitude of the shifts, choose Cannot determine. Change in Equilibrium Objects Scenario 2 (?) When Shift Magnitudes Are Unknown True or False: When both the demand and supply curves shift, the curve that shifts by the smaller magnitude determines the effect on the undetermined equilibrium object.
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