So, if all that happened was that the tax savings of 2.0 percentage points of GDP and some of the savings in taxcompliance costs got reinvested, eliminating the corporate incometax would increase U.S. economic growth by 1.0 percentage point.
Taxcompliance increased and the inflation-adjusted revenues from the personal incometax rose more than 20 percent annually during the three years following the adoption of the flat-rate tax.