Laffer curve in tax rates to increase revenue, the current tax rate would need to be higher than the revenue maximizing rate. In 2007, Laffer said that the curve should not be the sole basis for raising or lowering taxes. Supply-siders argue that in a high tax rate environment, lowering tax rates would result in either increased revenues or smaller revenue losses than one would expect relying on only static estimates of the previous tax base. This led supply-siders to advocate large reductions in marginal income and capital gains tax rates to encourage greater investment, which would produce more supply. Jude Wanniski
George Laffer George Laffer George Richards Laffer (14 September 1866 – 7 December 1933) was an Australian politician. He was member of the South Australian House of Assembly from 1913 until 1933, representing the electorate of Alexandra for the Liberal Union, and its successors the Liberal Federation and Liberal and Country League. He was a minister in the Barwell government, and was Speaker of the South Australian House of Assembly from 1927 until 1930. Laffer was born at Coromandel Valley into a fruit-growing family, his father having emigrated from Cornwall in 1840. He continued in the family business, and was actively involved