Stock option contract adjustments: The case of special dividends Kathryn Barraclough; Hans R. Stoll; Robert E. Whaley Journal of Financial Markets 2012 15(2), 233-257
Failure to exercise call options: An anomaly and a trading game Veronika Krepely Pool; Hans R. Stoll; Robert E. Whaley Journal of Financial Markets 2008 11(1), 1-35