課程名稱︰個體經濟學一
課程性質︰經濟學
課程教師︰劉鶯釧
開課學院：社科院
開課系所︰經濟系
考試日期（年月日）︰2006/12/14
考試時限（分鐘）：10
是否需發放獎勵金：是
（如未明確表示，則不予發放）
試題 :
1. A firm purchase capital and labor at fixed input of r = 8 and w = 16,
respectively. With the firm's current input mix, the marginal product of
capital is MPk = 20 and the marginal product of labor is MPl = 20.
(1) Using an isoquant-isocost graph, show the firm's current combination.
(2) Could this firm be in a long-run cost-minimizing equilibrium? If not, what
should it do to achieve one? Explain carefully.
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