why a long-run market supply curve might not flat in perfect competition
A、when entry is limited.
B、when firms' cost functions differ
C、when input prices vary with output
D、when consumers have satiation points.
发布时间:2025-07-30 01:35:45
A、when entry is limited.
B、when firms' cost functions differ
C、when input prices vary with output
D、when consumers have satiation points.