Each year, individual tax non-compliance causes billions of dollars of lost tax revenue. While the Internal Revenue Service (IRS) conducts examinations of select returns, the audit rate fell precipitously in past decades. Meanwhile, the number of individual returns grew and return complexity...

11 European countries now operate IP Box regimes that provide substantially reduced rates of corporate tax for income derived from important forms of intellectual property. We incorporate these policies into forward-looking measures of the cost of capital, effective marginal tax rates and...