We investigate the impact of managerial investment diversion on a firm's investment paths and the investment-return relation in a dynamic q-theory model. When efficiency of investment is not observed by shareholders, the manager may divert investment for private benefits. An agency investment...

Expected idiosyncratic volatility and its positive relation to expected returns of Fu (2009) can be closely replicated, but only when we include information up to time t to estimate the idiosyncratic volatility at time t. Since this involves look-ahead bias, we re-estimate expected idiosyncratic...

This paper investigates the dynamic relation between net individual investor trading and short-horizon returns for a large cross-section of NYSE stocks. The evidence indicates that individuals tend to buy stocks following declines in the previous month and sell following price increases. We...