In simple one-good international macro models, the presence of non-diversifiable labor income risk means that country portfoliosshould be heavily biased toward foreign assets. The fact that theopposite pattern of diversification is observed empirically constitutes the international...

Macroeconomics is evolving from the study of aggregate dynamics to the study of the dynamics of the entire equilibrium distribution of allocations across individual economic actors. This article reviews the quantitative macroeconomic literature that focuses on household heterogeneity, with a...