Laffer curve tax revenues significantly and contributed to the massive increase in federal debt during the 1980s.". The Laffer curve and supply-side economics inspired Reaganomics and the Kemp-Roth Tax Cut of 1981. Supply-side advocates of tax cuts claimed that lower tax rates would generate more tax revenue because the United States government's marginal income tax rates prior to the legislation were on the "right-hand" side of the curve. This assertion was derided by George H. W. Bush as "voodoo economics" while running against Reagan for the Presidential nomination in 1980. During the Reagan presidency, the top marginal rate of tax in the
Notional amount able to purchase. Hence the notional principal amount is the quantity of the assets and bonds. In the context of an interest rate swap, the notional principal amount is the specified amount on which the exchanged interest payments are based; this could be 8000 US dollars, or 2.7 million pounds sterling, or any other combination of a number and a currency. Each period's rates are multiplied by the notional principal amount to determine the height and currency of each counter-party's payment. A notional principal amount is the amount used as a reference to calculate the amount of interest due on