We seed noisy information to members of a real-world social network to study how information diffusion and information aggregation jointly shape social learning. Our environment features substantial social learning. We show that learning occurs via diffusion which is highly imperfect: signals...

The present paper investigates the portfolio allocation decisions of an investor with infinite horizon when available financial assets differ in their degrees of liquidity. A model with risk neutral agents allows us to endogenously determine the liquidity premium. With risk averse agents, we...

We present a theory of individual choice in which the decisionmaker focuses more on, and hence weights more heavily, attributes on which the options in her consideration set are more different. Consistent with evidence on salience in monetary choices, our model predicts that the decisionmaker is...