We explore the effects of tax avoidance and tax risk on stock return volatilities of U.S. firms. We find that firms with very low and very high levels of tax avoidance and firms with high levels of tax risk have more volatile stock returns. We observe that tax avoidance primarily affects stock...

Numerical calculations imply that tax-loss harvesting is valuable to holders of taxable stock accounts. These calculations are based on the assumption that a capital loss on a stock portfolio can always be netted against ordinary income (up to a limit) or a capital gain on the same stock...