This paper describes price discovery and liquidity provision in a dynamic limit order market with asymmetric information and non-Markovian learning. Investors condition on information in both the current limit order book and also, unlike in previous re-search, on the prior order history when...

This article uses a variety of contemporary developments to address artificial market pricing and market manipulation. It examines a variety of modern trading tactics and manipulation strategies in the context of trading and order mechanics. For example, I raise the connection between so-called...

The paper documents important differences in payment for order flow (PFOF), spreads, and price improvement across asset classes. In stocks, we show that PFOF is small. While many retail trades are executed off-exchange, we find that they receive meaningful price improvement, particularly when...