This paper develops a model of intermediated exchange with budget-constrained traders who are embedded in a trading network. An experimental investigation confirms the theory's baseline predictions. Traders adopt monotone strategies with higher-budget intermediaries offering to pay more for...

We report a portfolio-choice experiment that enables us to estimate parametric models of ambiguity aversion at the level of the individual subject. The assets are Arrow securities that correspond to three states of nature, where one state is risky with known probability and two states are...