Laffer curve costs). Although tax policy is often mentioned in relation to supply-side economics, supply-side economists are concerned with all impediments to the supply of goods and services and not just taxation. In their economics textbook "Principles of Economics" (7th edition), economists Karl E. Case of Wellesley College and Ray Fair of Yale University stated "The Laffer curve shows the relationship between tax rates and tax revenues. Supply-side economists use it to argue that it is possible to generate higher revenues by cutting tax rates, but evidence does not appear to support this. The lower tax rates by the Reagan administration decreased
Arthur Laffer on the "Board of Scholars" of the American Legislative Exchange Council (ALEC). Laffer was one of four economists who acted as advisors to Donald Trump's successful 2016 campaign for the presidency of the United States. Laffer was born in Youngstown, Ohio, the son of Marian Amelia "Molly" (née Betz), a homemaker and politician, and William Gillespie Laffer, a president of the Clevite Corporation. He was raised a Presbyterian, and graduated from University School high school in 1958. Laffer earned a B.A. in Economics from Yale University (1962) and an M.B.A. (1965) and a Ph.D. in Economics (1972) from Stanford University.