Many of the variables listed (money supply growth, banking dynamics, government deficits, and velocity) depend on confidence in the underlying fiat currency.

The key variable #1 to me is all these experiments are basically bullshit from a complex systems standpoint until we involve everyone, hence the U in "universal".

From a complex systems standpoint, it seems incredible intellectually dishonest to run an experiment in an isolated locality. Essentially, a hand wave of scaling the properties of specific and isolated local income to "universal".