The power of classical economic thought

Here is a story picked up just today which had a bit in it I found quite striking since it presents a real-world economic event straight out of classical economic theory. It’s from an article titled, New recession warning: The rich aren’t spending. There we find:

The savings of the rich has also exploded, more than doubling over the past two years, suggesting that the wealthy are hoarding cash. The middle earners, or those in the 40% to 89.9% of the income distribution, have largely picked up the spending slack from the rich….

The middle-class consumer, however, is being buoyed up by strong employment and a relatively stable housing market. A U.S. economy that for over a decade has been defined by the rich reaping the gains and fueling the spending, has now flipped. Now, it’s Main Street that is prospering, while the investor class is signaling a consumer recession.

Which made me think of this from Mill’s Principles:

The proposition for which I am contending is in reality equivalent to the following, which to some minds will appear a truism, though to others it is a paradox: that a person does good to labourers, not by what he consumes on himself, but solely by what he does not so consume.

Clear as a bell to anyone versed in classical thought but to anyone else, specially to a student of modern macro, a statement near impossible to comprehend.

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