A. tax producers so that the market supply curve shifts leftward (upward).
B. subsidize consumers so that the market demand curve shifts leftward.
C. not intervene because the market outcome is optimal.
D. subsidize producers so that the market supply curve shifts leftward (upward).
B. subsidize consumers so that the market demand curve shifts leftward.
C. not intervene because the market outcome is optimal.
D. subsidize producers so that the market supply curve shifts leftward (upward).
ANSWER
A. tax producers so that the market supply curve shifts leftward (upward).