Tax evasion in the United States unlawful gains as income when filing annual tax returns (see e.g., "James v. United States") although such income is typically not reported. Suspected lawbreakers, most famously Al Capone, have been successfully prosecuted for tax evasion when there was insufficient evidence to try them for their non-tax related crimes. Reporting illegal income as earned legitimately may be illegal money laundering. In the United States, the IRS estimate of the 2001 tax gap was $345 billion. For 2006, the tax gap is estimated to be $450 billion. A more recent study estimates the 2008 tax gap in the range of $450 to
Tax evasion tax evasion. This model deals with the evasion of income tax, the main source of tax revenue in developed countries. According to the authors, the level of evasion of income tax depends on the detection probability and the level of punishment provided by law. The literature's theoretical models are elegant in their effort to identify the variables likely to affect non-compliance. Alternative specifications, however, yield conflicting results concerning both the signs and magnitudes of variables believed to affect tax evasion. Empirical work is required to resolve the theoretical ambiguities. Income tax evasion appears to be positively influenced by the tax