World-renowned economist Dr Arthur Laffer speaking at the Davenport Hotel in Dublin: “Ireland has an opportunity to really lead the world in economic growth and prosperity.” Photograph:  Shane O’Neill/Fennell

Ireland is a paragon of economic virtue when it comes to corporation tax but certifiably “crazy” as far as income tax goes, according to US economist (...)

Ronald Reagan was told by a group of economic advisers that a cut in income tax rates would raise tax revenue

Two years ago Kansas embarked on a remarkable fiscal experiment: It slashed income taxes sharply without any clear idea of what would replace the lost(...)