> how does a spending tax disproportionately affect the poor? Because they need to spend more of their income in order to survive. If you spend all of your in

> how does a spending tax disproportionately affect the poor? Because they need to spend more of their income in order to survive. If you spend all of your income, a 10% sales tax reduces your income by 10%. If you only need to spend half of your income, a 10% sales tax reduces your income by 5% - or less, if the money you don't spend earns interest.