※ 引述《myfrank2003 (法克)》之铭言： : 1. A utility function that represents preferences: : a) Assigns the same number to bundles that lie on the same indifference : curve and higher number to bundles that are preferred. : b) Assigns the smae number to bundles that lie on the same indifference : curve and lower number to bundles that are preferred. : c) Assigns same number to all bundles. : d) Assigns different numbers to bundles that lie on the same indifference : curve. : Ans:无 : 这题题目看不太懂 : 但我猜是在说效用函数是指不同财货组合所形成的同一条无异曲线 : 故选(D) 各位觉得呢 这题是 a 考效用函数跟无异曲线的定义 : 2. If individuals have different preferences but society's preferences : are consistent with the aggregation of individual preferences, : which of the following is true? : a) All endowments are equal. : b) There are only two individuals in the society. : c) Society's preferences are determined by a single individual : d) The social welfare function is Rawlisn. : Ans:无 : 个人认为是(a) 因为当每个人禀赋相同时 : 每个人的偏好都将相同 : 故社会总偏好也会与个人偏好一致 : 那请问 (d)的答案又是甚麽呢??? 这题是 c 考 Arrow's impossibility theorem http://en.wikipedia.org/wiki/Arrow%27s_impossibility_theorem 连结给你 不知道那是什麽的话参考一下吧 : 3. The purchasing power parity approach is a more useful method : used to compare the standard of living of different countries because: : a) using current exchange rates, which can vary a lot, cause large : fluctuations in output per capital among countries. : b) current exchange rates do not take account differences in prices of basic : goods among countries. : c) the PPP method does not ignore differences in the prices of basic goods, : d) all of above : Ans:无 : 这题也不太懂 : 我只知道购买力平价说在讲 e=Pd/Pf : 可是跟这题有甚麽关联呢?? : 麻烦各位大大帮忙解题! 这题是 c 考 PPP 的意涵 --

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