8. The local Chapel Hill government is very concerned with underage drinking and has decided to study this market. The demand for six-packs of beer in Chapel Hill is given by QD = 100-10P and the supply of six-packs of beer is given by Qs = 10P. . a. Sketch a supply and demand diagram of the market for six-packs of beer in Chapel Hill. Be sure to label your curves, axes, intercepts, and calculate and label equilibrium P* and Q*. b. Assume UNC makes it mandatory for students to take the AlcoholEdu course offered by Student Wellness during their first week on campus AND the price of hops, a main ingredient in beer increases simultaneously. If each event changes the quantity demanded/supplied by 20 at every price, show these changes on your graph above and find the new equilibrium price and quantity of six-packs of beer.

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Chapter1: Making Economics Decisions
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8. The local Chapel Hill government is very concerned with underage drinking and has decided to study
this market. The demand for six-packs of beer in Chapel Hill is given by QD = 100-10P and the
supply of six-packs of beer is given by Qs = 10P.
a.. Sketch a supply and demand diagram of the market for six-packs of beer in Chapel Hill. Be
sure to label your curves, axes, intercepts, and calculate and label equilibrium P* and Q*.
b. Assume UNC makes it mandatory for students to take the AlcoholEdu course offered by
Student Wellness during their first week on campus AND the price of hops, a main ingredient
in beer increases simultaneously. If each event changes the quantity demanded/supplied by
20 at every price, show these changes on your graph above and find the new equilibrium
price and quantity of six-packs of beer.
I
9. The market for peanut butter is given by the following demand and supply curves:
P= 30-1/2 QD and P=5+20¹
a. Calculate the equilibrium price and quantity of peanut butter and show these on a properly
labeled supply and demand diagram for peanut butter.
Transcribed Image Text:8. The local Chapel Hill government is very concerned with underage drinking and has decided to study this market. The demand for six-packs of beer in Chapel Hill is given by QD = 100-10P and the supply of six-packs of beer is given by Qs = 10P. a.. Sketch a supply and demand diagram of the market for six-packs of beer in Chapel Hill. Be sure to label your curves, axes, intercepts, and calculate and label equilibrium P* and Q*. b. Assume UNC makes it mandatory for students to take the AlcoholEdu course offered by Student Wellness during their first week on campus AND the price of hops, a main ingredient in beer increases simultaneously. If each event changes the quantity demanded/supplied by 20 at every price, show these changes on your graph above and find the new equilibrium price and quantity of six-packs of beer. I 9. The market for peanut butter is given by the following demand and supply curves: P= 30-1/2 QD and P=5+20¹ a. Calculate the equilibrium price and quantity of peanut butter and show these on a properly labeled supply and demand diagram for peanut butter.
9. The market for peanut butter is given by the following demand and supply curves:
P=30-1/2 QD
and
P=5+20s
a. Calculate the equilibrium price and quantity of peanut butter and show these on a properly
labeled supply and demand diagram for peanut butter.
b. What is the consumer and producer surplus in the market? Calculate and indicate these on
your graph from part (a).
C.
I
Is the market economically efficient? In one sentence or less, how do you know?
Now assume that the price of jelly (the second ingredient in the ever-popular peanut butter and jelly
(PBJ) sandwich) decreases.
d. How does this affect the market for peanut butter? Draw these changes on your supply and
demand diagram from part (a).
e.
If the price were to remain at the previous equilibrium price, indicate the quantity of peanut
butter bought and sold in the market as QB-
f. Indicate consumer surplus and producer surplus on your graph. (You do not need to
calculate anything here).
g. Is the market economically efficient? In one sentence or less, how do you know?
h. Explain how the market will adjust to the new equilibrium.
Transcribed Image Text:9. The market for peanut butter is given by the following demand and supply curves: P=30-1/2 QD and P=5+20s a. Calculate the equilibrium price and quantity of peanut butter and show these on a properly labeled supply and demand diagram for peanut butter. b. What is the consumer and producer surplus in the market? Calculate and indicate these on your graph from part (a). C. I Is the market economically efficient? In one sentence or less, how do you know? Now assume that the price of jelly (the second ingredient in the ever-popular peanut butter and jelly (PBJ) sandwich) decreases. d. How does this affect the market for peanut butter? Draw these changes on your supply and demand diagram from part (a). e. If the price were to remain at the previous equilibrium price, indicate the quantity of peanut butter bought and sold in the market as QB- f. Indicate consumer surplus and producer surplus on your graph. (You do not need to calculate anything here). g. Is the market economically efficient? In one sentence or less, how do you know? h. Explain how the market will adjust to the new equilibrium.
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