Laffer curve is simplistic in that it assumes a single tax rate and a single labor supply. Actual systems of public finance are more complex, and there is serious doubt about the relevance of considering a single marginal tax rate. In addition, revenue may well be a multivalued function of tax rate; for instance, an increase in tax rate to a certain percentage may not result in the same revenue as a decrease in tax rate to the same percentage (a kind of hysteresis). Furthermore, the Laffer curve does not take explicitly into account the nature of the tax avoidance taking place.
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