Over the past seven years, the DIG and DIGNAR models have complemented the IMF and World Bank debt sustainability framework (DSF) analysis, over 65 country applications. They have provided useful insights in the context of program and surveillance work, based on qualitative and quantitative...

We study the role of the exchange rate regime, reserve accumulation, and sterilization policies in the macroeconomics of aid surges. Absent sterilization, a peg allows for almost full aid absorption — an increase in the current account deficit net of aid — delivering the same effects as...

We introduce subsistence requirements in food consumption into a simple new-Keynesianmodel with flexible food and sticky non-food prices. We study how the endogenous structuraltransformation that results from subsistence affects the dynamics of the economy, the design ofmonetary policy, and the...