> The productivity difference I think is controversial. Sure. The diminishing labor returns (from fewer rest days) are less expensive than onboarding sufficien

> The productivity difference I think is controversial. Sure. The diminishing labor returns (from fewer rest days) are less expensive than onboarding sufficient personnel. But the most sensical understanding of worker productivity is that it slopes downward as the number of consecutive workdays stretches onward. Productivity trends higher at 30 hours than it does is at 40 hours.