Modern Monetary Theory tells us that the important limits are "when you run out of Labor" and "when you run out of resources".
So what nations are facing low unemployment, and what nations are facing resource shortages?
So what nations are facing low unemployment, and what nations are facing resource shortages?
We don't automatically take what every non-mainstream economic theory says as gospel. You need a bit more reason for us to accept this one than "MMT says so".