There's a video on You Tube with an Austrian Vs. MMT debate which is really good. It became clear that the Austrian's describe a fixed exchange rate currency regime (with a hard currency peg, such as Hong Kong), while MMT describes floating exchange rate regimes (i.e. fiat currency).
Several years ago, doing some lay research on the different macro schools of thought.
There's a video on You Tube with an Austrian Vs. MMT debate which is really good. It became clear that the Austrian's describe a fixed exchange rate currency regime (with a hard currency peg, such as Hong Kong), while MMT describes floating exchange rate regimes (i.e. fiat currency).