We revisit the role of time in measuring the price impact of trades using a new empirical method that combines spread decomposition and dynamic duration modeling. Previous studies which have addressed the issue in a vector-autoregressive framework conclude that times when markets are most active...

We study the market quality of the Xetra BEST system operated by Deutsche Börse AG, an internalization system designed as part of an open limit order book, which guarantees a price improvement over the inside spread in the Xetra order book. We develop a structural model of this dual market...

This paper studies the market quality of an internalization system which is designed as part of an open limit order book (the Xetra system operated by Deutsche Börse AG). The internalization sys-tem (Xetra BEST) guarantees a price improvement over the inside spread in the Xetra order book. We...