中等ECON-DEMA-014
Which statement is correct?
A. A free good has a positive opportunity cost
B. A free good has zero opportunity cost; an economic good does not✓ 答案
C. Any good the government provides is a free good
D. A free good is any good that is illegal to sell
解說
Free versus economic goods is about opportunity cost, not about who hands the good over and not about legality. Government provision still uses resources.