Shackelford, Douglas A.; Graham, John R.; Lang, Mark H. - National Bureau of Economic Research (NBER) - 2002
We find that employee stock option deductions lead to large aggregate tax savings for Nasdaq 100 and S&P 100 firms and also affect corporate marginal tax rates. For Nasdaq firms, the median marginal tax rate is 31 percent when option deductions are ignored but falls to 5 percent when one...