We investigate the backdating of stock option exercises. Before SOX, we find evidence that some exercises were backdated to days with low stock prices. Consistent with a tax-based incentive, these suspect exercises are more likely when the personal tax savings from backdating are higher....

Although tax arbitrage is central to the literatures on tax capitalization, implicit taxes, and even capital structure, there is little empirical evidence of the extent to which firms actually engage in tax arbitrage. This paper provides some evidence on the topic by focusing on a simple and...