Multiple Choice
Lena and Jess are roommates.Lena hates to clean the bathroom.Jess will agree to clean the bathroom only if Lena vacuums the living room.Which economic concept does this statement BEST represent?
A) When markets don't achieve efficiency,government intervention can improve society's welfare.
B) "How much" is a decision at the margin.
C) One person's spending is another person's income.
D) There are gains from trade.
Correct Answer:

Verified
Correct Answer:
Verified
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