> If the rich spend all their money for consumption, then there will not be enough capital available - or so the argument goes.
Spending money doesn't make it go away, it just gives it to someone else. If everyone spent all their money for consumption, and no one invested, that would probably be a bad thing, but short of actually punishing investment compared to other uses of money, its hard to see how that would happen.
Heck, its particular hardest to see how it would happen with the rich, anyhow. Simple declining marginal utility means that past a certain point, the additional present consumption that people find useful drops off and the value of securing an adequate future support base by investing money now vs. consuming more now increases with increasing income. The idea that we need to tax-favor investment even more than we currently do by taxing only consumption (rather than taxing income, but taxing the income from investment favorably compared to "ordinary income" and particularly favorably compared to labor income) seems to be based on a conception of human behavior that has no support at all in how humans, and particularly the rich, actually use their money in the status quo system.
Spending money doesn't make it go away, it just gives it to someone else. If everyone spent all their money for consumption, and no one invested, that would probably be a bad thing, but short of actually punishing investment compared to other uses of money, its hard to see how that would happen.
Heck, its particular hardest to see how it would happen with the rich, anyhow. Simple declining marginal utility means that past a certain point, the additional present consumption that people find useful drops off and the value of securing an adequate future support base by investing money now vs. consuming more now increases with increasing income. The idea that we need to tax-favor investment even more than we currently do by taxing only consumption (rather than taxing income, but taxing the income from investment favorably compared to "ordinary income" and particularly favorably compared to labor income) seems to be based on a conception of human behavior that has no support at all in how humans, and particularly the rich, actually use their money in the status quo system.