For this reason, it’s important to look at the fine print of any measure of wealth to see what’s included and what’s left out. For example, in OECD countries average household disposable income per capita is $25,908 a year but average household net financial wealth per capita is $67,139. Wealth can, in itself, generate income, and so as wealth inequalities widen, they, in turn, fuel income inequalities. And as wealth is a source of investment, widening inequalities mean a growing gap between rich and poor in their abilities to take advantage of investment opportunities.