Which of the following statements is true?
选项:
A: a nation's demand curve of a commodity is derived from production points on the nation’s production frontier
B: a nation's supply curve for a commodity is derived from community indifference curves and trade lines
C: the price of the nation' s import commodity will fall as a result of international trade
D: none of the above
发布时间:2024-06-12 21:47:50