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The short-run market supply curve for a competitive market 0:40
The long-run market supply curve for a competitive market 7:47
- If profit is positive, other firms will enter in the long-run 11:27
- If profit is negative, firms will exit in the long-run 15:18
- Perfectly competitive firms earn zero profit in the long-run 18:15
- The long-run market supply curve is perfectly elastic 23:59
Why work a job if profit is driven to zero? 25:34
The impact of a change in market demand in the short-run and long-run 30:22
- The effect of an increase in market demand 36:26
- The effect of a decrease in market demand 50:42
When might the long-run market supply slope upward?
Summary of perfect competition 1:05:16
- Both consumption and production are efficient with perfect competition (DWL = 0) 1:05:48