Introduction -- The tax gap -- Recent patterns in IRS enforcement -- Economic Theory and the literature -- The Dubin Graetz Wilde model -- The data -- IRS criminal enforcement activities and taxpayer noncompliance -- IRS criminal investigation: measuring the marginal monetary effect of criminal...

Taxpayer compliance is a voluntary activity, and the degree to which the tax system works is affected by taxpayers' knowledge that it is their moral and legal responsibility to pay their taxes. Taxpayers also recognize that they face a lottery in which not all taxpayer noncompliance will ever be...