We study a dynamic limit order market where agents may invest into a trading technology that grants them a speed advantage over others. Being fast is valuable because it allows limit orders to be revised quickly in the light of new information and therefore reduces the risk of being picked off....

We study the role of high-frequency trading in a dynamic limit order market. Being fast is valuable because it enables traders to revise outstanding limit orders upon news arrivals when interacting with slow market participants. On the one hand, the existence of fast traders can help to reduce...