00:01
This states the degree to which quantity of a good is provided or demanded in response to changes in its price, income, or availability of alternatives is elasticity of supply and demand.
00:16
So we can write out the equation or the formula for price elasticity of demand and price elasticity of supply.
00:29
It's percentage change in quantity of supply over percentage change in the price.
00:40
It's going to be elastic if the number on top is greater.
00:47
So we can illustrate what this is going to look like.
00:53
So if supply is elastic you can see that the line is closer to a horizontal line.
01:02
Same goes for demand.
01:04
If it's inelastic then the supply is going to be more steep.
01:15
And then the same goes for the demand.
01:19
So usually we would refer to elasticity and inelasticity as relatively elastic or inelastic because it's comparative.
01:49
So then let's talk about revenue and elasticity.
02:31
So along the demand curve we have different absolute values of elasticity of demand.
02:44
And we can also have this overlap with the graph of total revenue.
02:49
We draw a straight line down from where elasticity of demand is equal to 1.
02:59
So that is going to intersect with the peak of the total revenue curve...