We develop a model of policy experimentation in federal systems in which heterogeneous districts choose both whether to experiment and the policies to experiment with. The prospect of informational spillovers implies that in the fi rst best the districts converge in their policy choice....

This paper presents a stock-flow-consistent model in which growth is led by exports and government expenditure. It considers domestic and external debt dynamics and gross capital flows. Countries may choose to not fully use their external space to accumulate international reserves. The model is...