[2] In 2019, President Trump awarded Laffer with the Presidential Medal of Freedom for his contributions in the field of economics.

[11] During this time Laffer helped pass Proposition 13, the California initiative that drastically cut property taxes in the state in 1978.

[13] Laffer was the first to hold the title of Chief Economist at the Office of Management and Budget (OMB) under George Shultz from October 1970 to July 1972.

[17] Laffer references President Clinton's conservative fiscal and unregulated market policies as cornerstones of his support.

[19] In the book, Moore and Laffer argue that the Trump administration's 2017 tax plan would raise growth rates to as much as 6% and not increase budget deficits.

[19] In a 2019 review of the book, Greg Mankiw, a conservative economics professor at Harvard University, characterized Laffer and Moore as "rah-rah partisans" who "do not build their analysis on the foundation of professional consensus or serious studies from peer-reviewed journals...The Laffer curve is undeniable as a matter of economic theory.

But few economists believe that tax rates in the United States have reached such heights in recent years; to the contrary, they are likely below the revenue-maximizing level.

[29][30] He advocated for taxes on non-profit organizations in education and the arts, as well as for salary reductions for professors and government officials.

[30] In 2019, President Trump awarded Laffer the Presidential Medal of Freedom, the nation's highest civilian honor.

In his textbook, Mankiw states, "there was little evidence for Laffer's view that U.S. tax rates had in fact reached such extreme levels.

"[37] Under the direction of conservative economist Douglas Holtz-Eakin, the Congressional Budget Office conducted a 2005 study on the fiscal effects of a 10% cut in federal income tax rates, finding that it resulted in a significant net revenue loss.

[44] Brownback's tax overhaul was described in a June 2017 article in The Atlantic as the United States' "most aggressive experiment in conservative economic policy".

A supermajority of lawmakers in the Kansas legislature, both Democrats and Republicans, repealed the tax cut in June 2017, overriding Brownback's veto.