Well, perhaps everyone should these days. Consumer spending accounts for roughly two-thirds of U.S. gross domestic product, or the value of all goods and services produced in the nation. And spending by the rich now accounts for the largest share of consumer outlays in at least 20 years.
According to new research from Moody's Analytics, the top 5% of Americans by income account for 37% of all consumer outlays. Outlays include consumer spending, interest payments on installment debt and transfer payments. LINK