Figure 11-11 Figure 11-11
illustrates the long-run average cost curve for a firm that produces picture frames. The
graph also includes short-run average cost curves for three firm sizes: ATCa, ATC and
ATCc.
Constant returns to scale
A) occur for output rates greater than 5,000 picture frames.
B) occur between 5,000 and 20,000 picture frames per month.
C) occur between 10,000 and 20,000 pictures frames per month.
D) will shift the long-run average cost curve downward.
Table 1-1
Lydia runs a small nail salon in the town of New Hope. She is debating whether she
should extend her hours of operation. Lydia figures that her sales revenue will depend
on the number of hours the nail salon is open as shown in the table above. She would
have to hire a worker for those hours at a wage rate of $10 per hour. What is Lydia’s