There are competing theories about what makes for good economic stimulus, and there are practices that work well and which don’t work very well. We know that tax cuts are not very stimulative, because they take a long time to show up in people’s bank accounts, and they are comprised of money that was already there to begin with. New money, extra money, is more stimulative. So food stamps, for instance, can return 70% to 100% gain in stimulus, above and beyond cost.
But we aren’t looking to fix the long recovery by using food stamps for stimulus. And we can’t really do any tax cuts that would help to expand GDP. If we want to spur a more vibrant recovery, we have to find a way to put new money, extra money, in people’s pockets, and it has to be more than they need to meet the ever-rising costs of living. It makes sense, then, that intelligent investment in high-growth activities would be the best way to make that happen.