Andersen, Torben; Cebiroglu, Gökhan; Hautsch, Nikolaus - 2017 - This version: February 6, 2017
We extend the classical "martingale-plus-noise" model for high-frequency prices by an error correction mechanism originating from prevailing mispricing. The speed of price reversal is a natural measure for informational efficiency. The strength of the price reversal relative to the...