This paper provides a brief survey of issues associated with testing or regime shifts in the short-sample macroeconomic time series data found for African economies. Using Monte Carlo method the paper suggests that the power of standard tests on model stability is extremely low applied to the...

This paper examines the (non) equivalance between aid flows and trade preferences as alternative forms of donor assistance in the presence of learning-by-doing externalities in recipient country export production. Using a two-period model based on vanWijnbergen (1985), in which the productivity...

In estimating a gravity model it is essential to analyse not just bilateral trade resistance, the barriers to trade between a pair of countries, but also multilateral trade resistance (MTR), the barriers to trade that each country faces with all its trading partners. Without correctly modelling...

We develop a spatial dynamic general equilibrium model of a small open agricultural economy to study the impact of global food, fuel and fertilizer price shocks on consumption patterns of heterogeneous households located in different regions, under alternative fiscal responses, including direct...

During civil wars governments typically resort to inflation to raise revenue. A model of this phenomenon is presented, estimated, and applied to the choices and constraints faced during the postconflict period. The results show that far from there being a fiscal peace dividend, postconflict...