Joe Weisenthal (@TheStalwart) posted on Twitter a very good, short explanation of what is and is not MMT. Here it is:
THAT'S NOT MMT
In today's @Markets newsletter, I wrote a very simple guide to what is and isn't MMT, since lots of people are very confused on the subject and abusing the term.
— Joe Weisenthal (@TheStalwart) January 19, 2021