【简答题】听力原文:F:What do you think is the cause of the output reduction in summer? M:Well,due to high replacement rate and low efficiency from fill-in workers,we just don't make as many bicycle frames as we do ...
【单选题】A competitive firm's production function is f(x 1 , x 2 ) = 4x 1 1/2 + 6x 2 1/2 . The price of factor 1 is 1 and the price of factor 2 is 2. The price of output is 4. What is the pro fi t-maximizing q...