We analyze theoretically and empirically the implications of heterogeneous information for equilibrium asset pricing and portfolio choice. Our theoretical framework, directly inspired by Admati (1985), implies that with partial information aggregation, portfolio separation fails, buy-and-hold...

As a centralized, computerized, limit order market, the Paris Bourse is particularly appropriate for studying the interaction between the order book and order flow. Descriptive methods capture the richness of the data and distinctive aspects of the market structure. Order flow is concentrated...

Because the Paris Bourse is a centralized, computerized, limit order market, the dataset it generates is particularly appropriate for studying the interaction between the order book and order flow dynamics. We use descriptive methods to capture the richness of the data and the distinctive...