Savers supply funds to those who want to borrow for their investment spending needs in the:

The range of output for a duopoly ranges between the

A) perfectly competitive outcome and the monopolistically competitive outcome. B) efficient scale and the perfectly competitive outcome. C) minimum of ATC and the efficient scale. D) monopoly outcome and the perfectly competitive outcome. E) short-run perfectly competitive outcome and the long-run perfectly competitive outcome.

Which statement below is true for a price taker?

A) Marginal revenue can only be positive. B) Marginal revenue can only be negative. C) Marginal revenue can only zero. D) Marginal revenue can be positive, negative, or zero.