This paper sheds empirical light on whether sentiment affects the profitability of price momentum strategies. We hypothesize that news that contradicts investors' sentiment causes cognitive dissonance, which slows the diffusion of signals that oppose the direction of sentiment. This phenomenon...

We develop a model where overconfident investors overestimate their own signal quality but are skeptical of others'. Those investors who are initially uninformed believe that the early informed have learned little, leading the former investors to provide excess liquidity, which, in turn, causes...

Efficiency in the capital markets requires that capital flows are sufficient to arbitrage anomalies away. We examine the relationship between flows to a "quant" strategy that is based on capital market anomalies, and the subsequent performance of this strategy. When these flows are high, quant...