If the Engel curve slopes up, then the demand curve slopes down.

Question

Quizplus · Accepted Answer

The Engel curve depicts the relationship between the quantity consumed of a good and household income. If the Engel curve slopes up, it indicates that as income increases, the quantity consumed of the good also increases. This suggests that the good is a normal good. As the demand for a normal good increases with increased income, the demand curve for the good slopes down. Therefore, if the Engel curve slopes up, the demand curve must slope down.

If the Engel Curve Slopes Up, Then the Demand Curve