00:01
So here we're talking about economic competition.
00:03
And the first rule of competition is that profits are not sustainable, right? in particular, competition says that the long run in competition is that all firms produce, oh, sorry, firms, i can't spell today, my apologies, firms produce at minimum cost.
00:33
If you're being really technical, it's the minimum of the long run average.
00:37
Cost, right, and make zero profits.
00:45
The whole idea is that in competition, if your industry is making a lot of profits, other people can enter the industry, right? in competition, there are no barriers to entry.
00:54
Lots of people can join the fight.
00:56
So if your industry is making a whole lot of profits, profits attract others, right? like blood in the water.
01:05
So we should expect in this firm to see entry of competitors.
01:14
So let me try to draw this for you.
01:17
We have a graph, quantity and price.
01:22
We have a demand curve.
01:25
We have a supply curve...