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...

The terms of trade are subject to both permanent and transitory shocks. Particularly for commodity-producing small open economies, it is sometimes argued that the inability of agents to determine which of these shocks are permanent and which are transitory leads to more macroeconomic volatility...