00:01
So here we need to talk about monopoly and competition.
00:04
So let's start off by drawing a market.
00:06
A market is a story about quantity and price.
00:10
We have a demand curve.
00:11
And let's suppose that the supply curve equals to the marginal cost curve is constant, right? so the competitive equilibrium, right, is going to be here.
00:21
Competition.
00:24
And this gives you the competitive quantity.
00:27
Now the monopolist is going to say, well, actually, i'm going to set marginal revenue equals to marginal cost, and i'm going to charge up here and here.
00:39
So the competitive price is just the marginal cost because you can't make profits in competition.
00:46
Otherwise, people will come seeking those profits and driving you out.
00:49
But the monopolist can.
00:50
The monopolist can restrict supply to jack up the price because there's nobody competing with them, right? so clearly there's going to be a massive loss in consumer surplus, right? if we look at this is the new consumer surplus.
01:06
It is much less, right? consumers are paying more for less.
01:13
That's not a good bargain, right? the monopoly is jacking up the price to extract surplus from the consumers.
01:20
So the consumer surplus has got to be smaller.
01:23
The price has got to be higher.
01:27
Output has got to be lower...