Laffer curve billion), but with large uncertainty on both sides. Robert Chote, the chairman of the UK Office for Budget Responsibility commented that Britain was "strolling across the summit of the Laffer curve", implying that UK tax rates were close to the optimum rate. Laffer has presented the examples of Russia and the Baltic states, which instituted a flat tax with rates lower than 35% around the same time that their economies started growing. He has similarly referred to the economic outcome of the Kemp-Roth tax cuts, the Kennedy tax cuts, the 1920s tax cuts, and the changes in US capital gains
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