※ 引述《dyuman ( 没有那种命阿)》之铭言： : ※ [本文转录自 Grad-ProbAsk 看板] : 作者: dyuman ( 没有那种命阿) 看板: Grad-ProbAsk : 标题: [商管] [经济]-云科97工管 : 时间: Fri Feb 5 22:12:38 2010 : 40.For this question , assume that the expected rate of inflation is a : function of past year's inflation. Also assume that the umemployment rate : has been equal to the natural rate of umemployment for a number of years. : Given this information , we know that ： : A.the rate of inflation should neither increase nor decrease : B.the rate of inflation will approximately be equal to zero : C.the rate of inflation should steadily increase over time : D.the rate of inflation should steadily decrease : 想法：直觉是想到菲律浦曲线，不过不晓得该怎麽解答... 应该是使用调整菲利浦曲线(adjusted phillips curve) 该模型说明： 当失业率为自然失业率的时候 代表物价变动率为0 ^^^^^^^^^^ 那物价变动率为0，则通膨率不变(假设其他条件不变之下) 所以答案应该是A : 43.For this question , assume that there are decreasing returns to capital, : decreasing returns to labor , and constant returns to scale. An increase : in the capital stock will cause which of the following ? : A.not change in output : B.an increase in output per capita : C.a reduction in output : D.derease the capital-labor ratio : 想法：直觉是(B), decreasing returns to capital 是什麽意思 ? 报酬递减 ? : 谢谢各位 !! 那句话是这样翻译应该没错 计算规模报酬是在劳动与资本"皆"增加固定比例後才能计算 这边只说增加资本 资本投入增加，产出也增加 但劳动没变 所以每人(每位劳工)的产出增加了 --

※ 发信站: 批踢踢实业坊(ptt.cc) ◆ From: 140.130.198.137 ※ 编辑: tsiunglin 来自: 140.130.198.137 (02/08 22:19) ※ 编辑: tsiunglin 来自: 140.130.198.137 (02/09 00:47)