J.B. Say and the French Liberal School absorbed a method of approach that was, implicitly at least, subjectivist and individualist. And herein lies the reason for many modern critics' disparagement of the Liberal School.
If Canadian provinces (or US states) implement a regional carbon tax, they shouldn’t fool themselves that they are “doing the right thing.” Households and businesses will suffer from higher energy prices and slower economic growth, with very little to show for it.
The authentic German liberals have fallen into total obscurity. Today, the figures who are celebrated as early-twentieth century German liberals are men who were, in fact, collectivists and forerunners of the totalitarian state.