We propose a flow-based explanation for two long-standing anomalies in empirical finance – Sell in May and the January effect. We find that mutual fund flows exhibit similar seasonal patterns as stock returns. After controlling for fund flows both calendar effects become insignificant. We...

This paper proposes a novel approach to determine whether mutual funds time the market. The proposed approach builds on a heterogeneous agent model, where investors switch between cash and stocks depending on a certain switching rule. This represents a more flexible, intuitive, and parsimonious...

This paper examines the style-based feedback trading behavior of mutual fund managers. We provide an empirical version of the model for style-switching behavior of Barberis and Shleifer (2003). We find style-based feedback trading for 77% of the funds, half of which is positive- (negative-)...