Question 1
A firm will choose to operate rather than shut down as long as
◦ price is greater than or equal to
AFC.
◦
AFC is greater than
AVC.
◦ price is greater than or equal to
AVC.
◦
AVC is greater than
MC.
Question 2
Economic profit is
◦ (
P‐
ATC)
q.
◦ (
P+
ATC)
q.
◦
P(
q-
ATC).
◦
Pq/
ATC.