Laffer curve rates (for example, in the United States by the Congressional Budget Office). While the interaction between tax rates and tax revenue is generally accepted, the precise nature of this interaction is debated. In practice, the shape of a hypothetical Laffer curve for a given economy can only be estimated. The relationship between tax rate and tax revenue is likely to vary from one economy to another and depends on the elasticity of supply for labor, as well as various other factors. Even in the same economy, the characteristics of the curve could vary over time. Complexities such as progressive taxes
John Brooks (writer) II and the ill-fated introduction of the most famous failed automotive gambit in history, the Edsel. Brooks also wrote widely on other subjects as well, including the government-guaranteed loans to Chrysler Corporation, the public television show "Wall Street Week" and its creator Louis Rukeyser, an examination of supply-side economics, the banking behemoth Citibank, economist Arthur Laffer and his Laffer curve, the development of New Jersey's Meadowlands, New York City urban planner Robert Moses, and even the Southern grocery store chain Piggly Wiggly. Brooks's writing on finance won him three Gerald Loeb Awards, and moved Harvard economist John Kenneth Galbraith to