Modern Monetary Theory (MMT) has recently received significant at- tention in academic and policy circles. Critics question the sustainability of MMT-prescribed approaches to fiscal and monetary policy, especially over extended periods of time, in the presence of international financial markets,...

This paper derives the balance of payments-constrained growth (BPCG) model as a special case of a three good framework that incorporates exportables, importables, and non-tradables. The conditions under which the canonical form of the BPCG rate can be derived are made explicit and the...