Do Deficits Cause Inflation?

With interest rates stuck at zero, did we not have a spiral of deflation the way Keynesians said it would? Well, because there was of all the things you look at fiscal policy in the United States, running huge surpluses does not look like fiscal policy. Money was printed on an enormous scale. Why did that not cause inflation? Because blows money in return for bonds. So we're doing great on the zero bound era. Now the next puzzle, deficits do deficits cause inflation and they didn't in 2008,. And they did in 2021.