We develop and test explanations for sources of intertemporal variation in the information content of aggregate earnings and how that variation explains variation in the relation between aggregate earnings growth and market returns over time. We find that the correlation between aggregate...

We examine whether option prices correct for predictable bias in stock prices associated with accounting anomalies. Evidence from put-call parity violations suggests that they do not. Rather, option prices accurately track contemporaneous stock prices. Further analysis suggests that high costs...