I'm interested in the concept of a new Euro as a "European energy unit": in energy grids across the Baltic and North Seas and across the Mediterranean, both of which already have the initial elements in place.
National currencies?
Simply base them upon property rental values, as John Law envisaged three hundred years ago.
As an economy is in transition then GDP per dollar of energy consumption has decreased over time-including in the USA.
But, keep working this through... ------------------------------ Rutherfordian RDRutherford