Faster trading improves liquidity in periodic call auction markets, in contrast to continuous-timemarkets. We build a model where high-frequency traders (HFTs) engage in duels to trade onstale quotes. More frequent periodic auctions increase the likelihood that a single HFT arrives inany given...

This paper studies the impact of information processing and rational learning about economic fundamentals on the level and timing of risk premium in the cross-section of firms. Learning helps explain the level of the value premium, and why the term structure of risk premium is increasing for...