Modern monetary theory describes the way money is created. And modern monetary theory says that if properly understood the power of government to create money could be used to create an economy focussed on benefit for the majority in any society where it can be used.
To return to the original question, does Scotland want that? As far as I can see it does. But it would not be an experiment as David Howdle's critics suggest. The sad fact is that we've done the experimenting with everything that does not work for the last decade or more. Now we need to do what can work, and that's modern monetary theory.