Correct me if I'm wrong, but your example seems to imply the existence of a marginal propensity to consume. I don't think this is commonly accepted in light of

Correct me if I'm wrong, but your example seems to imply the existence of a marginal propensity to consume. I don't think this is commonly accepted in light of work by Friedman and others on the permanent income hypothesis, which puts to question relatively simplistic supply-side and "Going Galt" scenarios.