End-of-day stock price manipulation is generally associated with short-termism, long-term damage to equity values, and reduced incentives for employees to innovate. We use a sample of suspected stock price manipulation events based on intraday data for stocks from nine countries over eight...

Based on M&As from over 45 countries from 2003-2014, we show that the presence of end-of-day (EOD) target price manipulation prior to M&As increases the probability of an M&A deal withdrawal, and decreases the premium paid. More detailed exchange trading rules that govern manipulation across...

This paper analyses the effects of preemption fears on the buyout efficiency when firms combine non-synergistic operational activities and have asymmetric access to financing. Bidders with preemption fears are more likely to acquire target firms at an earlier development stage. However, if...

I demonstrate that the timing of vertical mergers is generally dependent on industry characteristics. My predictions are consistent with empirically observed patterns of vertical mergers. I show that merger activity during economic upturns tends to be motivated by operating efficiencies, while...

We show that the presence of high frequency trading (HFT) has significantly mitigated the frequency and severity of end-of-day price dislocation, counter to recent concerns expressed in the media. The effect of HFT is more pronounced on days when end of day price dislocation is more likely to be...