C’mon Kudlow/Moore/Laffer: JFK Was A Keynesian Deficit Spender, Not A Supply-Side Tax Cutter

To be fair, supply-side economic theory does have its merits, but it also has hard limits in ensuring a stable fiscal foundation. At the end of the day, cutting spending remains key. Supply-side economics and Keynesian theories are two sides of the same coin—two economic approaches advocates of government expansion use to rationalize their big spending programs.