試題詳解

6. If a firm is able to increase output without increasing costs, it must:
(A) Be able to reallocate its output without changing their marginal product per dollar of any output.
(B) Have experienced an increase in the price of at least one of its inputs.
(C) Not be minimizing its costs.
(D) Be operating in an optimal manner
(E) Have been using too much of the input with the highest marginal product per dollar and too little of the one with the lowest marginal product per dollar.