Index
Elasticity - 1
Elasticity - 2
Elasticity - 3
The Total Outlays Method - 4
Total Outlays - 5
Total Outlays - 6
Total Outlays - 7
Revenue Loss - Revenue Gain - 8
Revenue Loss - Revenue Gain - 9
Inelastic Demand - 10
Inelastic Demand - 11
Elastic Demand - 12
Summary and Solutions - 13
Perfectly Elastic Demand - 14
Perfectly Inelastic Demand - 15
Arc Elasticity of Demand - 16
Calculating Elasticity of Demand - 17
Calculating Elasticity of Demand - 18
Calculating Elasticity of Demand - 19
Factors Effecting Elasticity of Demand- 20
Normal and Inferior Goods - 21
Factors Effecting Elasticity of Supply - 22
Factors Effecting Elasticity of Supply - 23
Factors Effecting Elasticity of Supply - 24
Inelastic Supply - 25
Perfectly Inelastic Supply - 26
Elastic Supply - 27
Factors Effecting Elasticity of Supply - 28
Factors Effecting Elasticity of Supply - 29
Factors Effecting Elasticity of Supply - 30
Cross Elasticity of Demand - 31
Income Elasticity of Demand - 32
Income Inelastic Goods - 33
Income Elasticity - 34

Elasticity - 5

Price
per
unit
Quantity
Demanded
Total Outlay
(or Total Revenue)
$
1.00
1,000
$1,000
2.00
900
$1,800
3.00
800
$2,400
4.00
700
$2,800
5.00
600
$3,000
6.00
500
$3,000
7.00
400
$2,800
8.00
300
$2,400
9.00
200
$1,800
Consider the following table to your left.

As price change from $1 per unit to $2 per unit, total outlays (total revenue) rises from $1,000 to $1,800. Total outlays and price have both risen. Economists say the demand for this good, in this price range is inelastic, and that the good has price elasticity of less than 1, in this price range.

A given percentage change in price has resulted in a lesser percentage change in quantity demanded. Price has doubled; that is increased by 100% : (from $1 to $2). However, the quantity demanded has only fallen by 100, on a base demand of 900 units.

This is a decrease of only 100 / 900 = 11%