A. there are always trade-offs between economic goals. B. all production involves the use of scarce resources and thus the sacrifice of alternative goods. C. marginal analysis is used in economic reasoning. D. choices need not be made if behavior

is rational.

A. there are always trade-offs between economic goals.
B. all production involves the use of scarce resources and thus the sacrifice of alternative
goods.
C. marginal analysis is used in economic reasoning.
D. choices need not be made if behavior is rational.


Answer: B

Economics

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