An economy produces outputs X and Y using inputs L and K. Which of the

An economy produces outputs X and Y using inputs L and K. Which of the following is NOT required for economic efficiency?

A) MRTSLK = MRSXY for all producers and consumers.
B) MRTXY = MRSXY for all producers and consumers.
C) MRSXY is equal for all consumers.
D) MRTSLK is equal for all producers.
E) None of the above. All of these are required for economic efficiency.

ANSWER

A