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. PRICE (Dollars per pen) 10 9 8 2 1 0 0 + 1 2 Scenario 1 3 Supply Demand 4 7 5 6 QUANTITY (Millions of pens) 8 9 10 Demand Supp

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13. How shifts in demand and supply affect equilibrium
Consider the market for pens. Suppose that the number of students who are allergic to the rubber used in pencil erasers increases, leading more
students to switch from pencils to pens in school. Further, the price of ink, a major input in the pen production process, has dropped sharply.
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.
PRICE (Dollars per pen)
10
9
8
2
1
0
0 1
2
Scenario 1
3
Supply
Demand
4
5
6
7
QUANTITY (Millions of pens)
8
9
10
Demand
Supply
Transcribed Image Text:13. How shifts in demand and supply affect equilibrium Consider the market for pens. Suppose that the number of students who are allergic to the rubber used in pencil erasers increases, leading more students to switch from pencils to pens in school. Further, the price of ink, a major input in the pen production process, has dropped sharply. 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. PRICE (Dollars per pen) 10 9 8 2 1 0 0 1 2 Scenario 1 3 Supply Demand 4 5 6 7 QUANTITY (Millions of pens) 8 9 10 Demand Supply
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.
PRICE (Dollars per pen)
10
9
8
7
3
2
1
0
0
Price
1
Equilibrium Object
Quantity
2
True
Scenario 2
■
1
I
False
Supply
3 4
5
6
7
QUANTITY (Millions of pens)
Demand
Scenario 1
Increases
Decreases
8
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.
9
Use the results of your answers on both the Scenario 1 and Scenario 2 graphs to 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.
10
中翼中国
Demand
Increases
Supply
Increases
?
Change in Equilibrium Objects
Scenario 2
When Shift Magnitudes Are Unknown
Increases
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.
Cannot determine
Transcribed Image Text: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. PRICE (Dollars per pen) 10 9 8 7 3 2 1 0 0 Price 1 Equilibrium Object Quantity 2 True Scenario 2 ■ 1 I False Supply 3 4 5 6 7 QUANTITY (Millions of pens) Demand Scenario 1 Increases Decreases 8 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. 9 Use the results of your answers on both the Scenario 1 and Scenario 2 graphs to 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. 10 中翼中国 Demand Increases Supply Increases ? Change in Equilibrium Objects Scenario 2 When Shift Magnitudes Are Unknown Increases 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. Cannot determine
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