Arthur Laffer that U.S. tax rates had in fact reached such extreme levels." Laffer is currently an economic adviser to Kansas Governor Sam Brownback, who in 2012 zeroed out state tax liability for approximately 330,000 of the top wage earners in the state. The state, which had previously had a budget surplus, experienced a budget deficit of about $200 million in 2012. Drastic cuts to state funding for education and infrastructure have been implemented because of the budget deficits. Brownback's tax overhaul was described in a June 2017 article in "The Atlantic" as the United States' "most aggressive experiment in conservative economic
Ibn Khaldun scholars is increasingly common. Influential British historian and international affairs specialist Arnold J. Toynbee has called Ibn Khaldun's Muqaddimah "the greatest work of its kind." Ernest Gellner, once a professor of philosophy and logic at the London School of Economics, considered Khaldun's definition of government the best in the history of political theory. More moderate views on the scope of Ibn Khaldun's contributions have emerged. Arthur Laffer, for whom the Laffer curve is named, acknowledged that Ibn Khaldun's ideas, as well as others, precede his own work on that curve. A focus on understanding the nuances of Ibn Khaldun's contributions