邊際效用 & 邊際替代率; 範例. ○ 設若U(x1,x2) = x1x2. 則. ∂. ∂. U x x x. 1. 2. 2. 1. = = ( )( ). ∂. ∂. ∂ x. U x x x. 1. 2. 1. 1. 1. = = ( )( ). MRS. d x. d x.
確定！ 回上一頁
