Consider a firm which sells its product in a perfectly
competitive market where the market price is $4.20 per unit. The
firms in the market have identical cost structures and is described
by the following equations:
TC = 40 + 0.1q2(squared) - 0.2q
ATC = 40/q + 0.1q- 0.2
MC = 0.2q - 0.2
AVC= 0.1q - 0.2
1.a) What quantity should the firm produce to maximize its
profit?
1.b) What is the firm’s profit at its profit-maximizing level
of output?
1.c) If the current market quantity is 2750, how many firms
are there in the market?
Suppose consumers’ income decreases, and consumers view this
good as a normal good. As a result, the new market price is
$3.20.
5.a) Given the new market price of $3.20, the firm’s
profit-maximizing level of output is ________.
6.) As a result of the market price change, the firm should
expect its profit to ______ ( decrease | increase | not
change) by $___________.
7.) Given the firm’s cost structure, the firm will earn an
economic profit (profit greater than zero) if the market price is
_________ (equal to | greater than | less than | not equal to)
$________.