The Fallacies of GDP, References
Rothbard pointed out that, if a person even believes that as much as 51% of government spending is wasted: Rothbard, Murray. America’s Great Depression. Fifth Ediction. The Ludwig von Mises Institute, 2000. p.296.
Rothbard’s PPR metric is actually a little bit more complicated than presented here: Rothbard. America’s Great Depression. p.297.