We consider the market for a risky asset with heterogeneous valuations. Private information that agents have about their own valuation is reflected in the equilibrium price. We study the learning externalities that arise in this setting, and in particular their implications for price...

This paper analyses the equilibrium and welfare properties of an economy characterized by uncertainty and payoff externalities using a general model that nests several applications. Agents receive a private signal and an endogenous public signal, which is a noisy aggregate of individual actions...

This paper analyses the equilibrium and welfare properties of an economy characterised by uncertainty and payoff externalities using a general model that nests several applications. Agents receive a private signal and an endogenous public signal, which is a noisy aggregate of individual actions...