One of the main contributions of Modern Money Theory (MMT) has been to explain why monetarily sovereign governments have a very flexible policy space that is unconstrained by hard financial limits. Not only can they issue their own currency to pay public debt denominated in their own currency,...

make several claims about the inadequacy and fallacy of modern money theory (MMT) and conclude that MMT is nothing more than a political manifesto; there is no theoretical and empirical foundation beneath it. The present paper addresses this last point by focusing on the fiscal and monetary...