Multiple Choice
Exhibit 39-8
-Refer to Exhibit 39-8.Assume that E1 represents the initial equilibrium in the market for grain X.As a result of a breakthrough in genetic engineering that develops an insect-resistant variety of grain X,
A) the supply curve shifts leftward.
B) the equilibrium quantity increases.
C) the equilibrium price rises.
D) all of the above
E) a and c
Correct Answer:

Verified
Correct Answer:
Verified
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