There are several ways that an increase in wealth can lead to an increase in consumption. For example, if the value of a person's investments or savings increases, they may feel more financially secure and be more likely to spend money on non-essential items. Similarly, if the value of a person's home increases, they may feel that they have more equity and be more willing to take on additional debt (such as through a home equity loan) in order to finance purchases.

The wealth effect can work in the opposite direction as well; if an individual's wealth decreases (for example, if the value of their investments or home falls), they may be less likely to spend money and may cut back on their consumption. This can have a negative impact on aggregate demand and economic growth.