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
Mid-Levels higher residential property price for a residence that is away from pollution and yet remain so close to the centre of the city. Many streets are named after former Governors of Hong Kong. Examples include Bonham Road (after George Bonham, 1848–1854) and Kennedy Road (after Arthur Edward Kennedy, 1872–1877). Many of the roads in this area are within walking distance of the Central Business District, which is accessible by the Mid-Levels escalator from Central. Many choices for housing are available, from ultra-luxurious apartments to compact, near-luxury apartments. The costs of these apartments vary considerably according to the size, location and