1. The demand curve for a unique product without substitutes is a. upward sloping b. downward sloping c. vertical d. horizontal 我选c 参考解答是b 想说没有替代品 即需求弹性为0 需求曲线为直线 2. "Given the long run implication of Solow's growth model with respect to the rate of savings, the low savings rate in Taiwan is not a problem." This statement overlooks that over time it appears that a. total factor productivity(TFP) and the growth rate of capital per person are inversely related. b. TFP and the growth rate of capital per person are positively related. c. TFP and the difference between the growth rates of capital per capita and population are not related. d. saving rates and per capita growth rates are inversely related. e. saving rates and per capita growth rates are not related. 这题在考古题出现好多次 但参考解答的答案皆不同 我找到的答案是c 有人可以解释一下这题到底想问什麽吗? 烦请各位高手解答 谢谢! --

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