Which of the following will not cause the demand curve for good X to shift?
A) a change in the price of X
B) a change in the price of Y, a complement
C) a change in the price of Z, a substitute
D) an increase in average disposable real income
Question 2
A single-period duopoly firm can choose output level A or B. The firm decides it will produce level A regardless of what the other firm produces. This decision may occur because
A) producing the output level A is a dominant strategy.
B) this firm has simply decided to always produce at level A.
C) Both A and B are possible.
D) None of the above.
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