the left-hand side of the following graph shows market demand and supply curves in a competitive market. draw the demand facing a competitive firm selling in this market on the right-hand graph. a) what is the firm’s marginal revenue from selling the 200th unit of output? b) what is the firm’s marginal revenue from the 400th unit of output?
The demand facing a competitive firm is a downward-sloping curve or line.
To find the firm's marginal revenue we should calculate total revenue TR = P×Q, and "MR = \\Delta TR\/\\Delta Q."
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