In economics, potential output (also referred to as "natural gross domestic product") refers to the highest level of real Gross Domestic Product output that can be sustained over the long term.
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Can we reverse the trend? Absolutely.
I know we exponentially borrow from future generations so that present generations can buy more stuff and pack it into this country's many self-storage units. The decline persists in spite of that. I can understand your concern. It seems hopeless.
Is it really hopeless though? What if we parabolically borrow from future generations? Genius!
Sarcasm and hope: It's what's for breakfast.
May not be warranted at this point.
Perhaps we should just stick with sarcasm then. Om nom nom nom nom nom!
St. Louis Fed: Real Potential GDP Growth