Question

Suppose that two things happen simultaneously in the market for fish. First, a new technology allows fishing boats to catch more fish while using the same number of crew-members. At the same time a new study shows that eating fish at least three times a week helps prevent heart attacks. How will the market for fish respond?

A. Equilibrium quantity will increase but the effect on the equilibrium price is unknown without more information.
B. Equilibrium price and quantity will both increase.
C. Equilibrium quantity will decrease but the effect on the equilibrium price is unknown without more information.
D. Equilibrium price will decrease but equilibrium quantity will increase.
E. Equilibrium price will increase but the effect on the equilibrium quantity is unknown without more information.

Answer 1

Option A, Equilibrium quantity will increase but the effect on the equilibrium price is unknown without more information, is the right answer.

Step-by-step explanation:

Option A is correct because the change in technology allows the person to catch more fish with the same crew. Thus, this will increase the supply, and the supply curve will shift rightwards. Moreover, the new study shows that a reduction in heart attack will cause an increase in the demand for fish. So the demand curve will shift rightwards. Here, we can see the increase in equilibrium quantity but we can not explain the effect on price due to lack of information. Therefore, option A will be right.