A renegade band of Modern Monetary Theorists has overturned mainstream economics in part by emphasizing that there is not one, but two systems of modern money, the "vertical" and the "horizontal." They demonstrate conclusively how unifying our understanding of these is crucial for grasping modern economies."the key to understanding Modern Monetary Theory is this vertical-horizontal relationship" Warren Mosler1000 Castaways develops Mosler's statement into ...