> Thing is... in the late 70s the supply siders may well have been right and the Keynesians wrong Keynesians were definitely wrong since at the time sustained

> Thing is... in the late 70s the supply siders may well have been right and the Keynesians wrong Keynesians were definitely wrong since at the time sustained stagflation was considered basically impossible. Which is why what is today colloquially called "Keynesian" is different from Keynesian as it was then because important parts of it were disproved.