As of April 23, 2001, the limit order book for stocks listed on Euronext Paris became anonymous. We study the effect of this switch to anonymity on market liquidity and the informational content of the limit order book. Our empirical analysis is based on a model of limit order trading in which...

We develop a model in which limit order traders possess volatility information. We show that in this case the size of the bid ask spread is informative about future volatility. Moreover, if volatility information is in part private, we establish that (i) the size of the bid ask spread and (ii)...

We analyze the effect of concealing limit order traders' identities on market liquidity. First we develop a model in which limit order traders have asymmetric information on the true cost of limit order trading (which is determined by the exposure to informed trading). Uninformed bidders draw...

We develop a model of limit order trading in which some traders have better information on future price volatility. As limit orders have option-like features, this information is valuable for limit order traders. We solve for informed and uninformed limit order traders' bidding strategies in...

High-speed market connections and information processing improve the ability to seize trading opportunities, raising gains from trade. They also enable fast traders to process information before slow traders, generating adverse selection, and thus negative externalities. When investing in...