The author examines the data on just how much risk-sharing currently takes place in both developed and developing countries. He also considers the question of whether significant unexploited gains from risk-sharing exist across borders.

This paper explores whether there was an economically significant differential in market-based risk between bank holding companies (BHCs) with Section 20 subsidiaries – subsidiaries that were authorized by the Federal Reserve to conduct bank-ineligible securities activities – and BHCs...

The author examines the impact of incomplete risk-sharing on growth and welfare. The source of market incompleteness in the economy is private information: a household's idiosyncratic productivity shock is not observable by others. Risk-sharing between households occurs through long-term...

We build a model in which financial intermediaries provide insurance to households against a liquidity shock. Households can also invest directly on a financial market if they pay a cost. In equilibrium, the ability of intermediaries to share risk is constrained by the market. This can be...

A central puzzle in international finance is that real exchange rates are volatile and, in stark contradiction to efficient risk-sharing, negatively correlated with relative consumptions across countries. This paper shows that a model with incomplete markets and a low price elasticity of imports...