The specialization in production made possible by the use of money to avoid barter is an illustration of the:
A. cost-benefit principle.
B. principle of increasing opportunity cost.
C. principle of comparative advantage.
D. scarcity principle.
Answer: C
Economics
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One of the most obvious clues to the relative scarcity of a product is
A) the limited selection of colors. B) the quality of the product. C) the variations in available sizes. D) its current market price.
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Which of the following is NOT a secondary market?
A) foreign exchange market B) futures market C) options market D) IPO market
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