I guess so - but is a fiat currency an outcome of the study of macroeconomics? I think they had fiat in china a thousand years ago. Maybe someone at that time a

I guess so - but is a fiat currency an outcome of the study of macroeconomics? I think they had fiat in china a thousand years ago. Maybe someone at that time and place was making up some theory which would reasonably be regarded "macroeconomics" ?