| Positive Income Elasticity of Demand | | |
| Price Elasticity of Demand | | |
| Total Revenue | | |
| Demand is elastic and a price decrease occurs, what is the impact on total revenue?              | | |
| Marginal Revenue | | |
| Price Inelastic | | |
| Price Elasticity of Supply | | |
| Demand is inelastic and a price decrease occurs, what is the impact on total revenue?              | | |
| Negative Income Elasticity of Demand | | |
| Price Elastic | | |