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REALISM OF PERFECT COMPETITION: Perfect competition is an idealized market structure that does NOT exist in the real world. While some real world industries might come relatively close to a one or two of the four key characteristics of perfect competition, none matches all four sufficiently that we can declare a perfectly competitively industry. Some industries come close on the large number of small firms and the identical product characteristics. A few industries have relatively good, although not perfect, information about prices and technology. However, almost all industries fall far short of the perfect mobility characteristics.
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                           PER UNIT TAX: A tax specified as a percentage of the quantity of a good, service, asset, or other activity. Per unit taxes are often imposed on specific goods or markets. A common per unit tax is that levied on gasoline. People pay a given tax for each gallon of gasoline purchased, regardless of the price of gasoline. An alternative is an ad valorem tax, with is a tax specified as a percentage of the value or price of a good. A per unit tax is a tax in which the tax base is specified as a physical quantity rather than a dollar value. If, for example, the federal government places a per unit tax of 10 cents on gasoline, then buyers and/or sellers are responsible for paying an extra 10 cents on each gallon sold, regardless of the price.If you buy 10 gallons of gasoline for your small compact car, then the federal government collects a total tax of $1 (10 cents x 10 gallons). If your close friends buys 20 gallons for a larger SUV, then the then the federal government collects a total tax of $2 (10 cents x 20 gallons). It matters not that you paid $3 a gallon and your friend paid only $2.50. This type of tax can be illustrated using the following tax calculation equation. The total tax collected is the product of the tax rate and the tax base. A per unit tax exists if the tax base is specified as a physical quantity. In the previous example, the tax rate is the per unit tax of 10 cents per gallon of gasoline and the tax base is the quantity of gasoline, the number of gallons sold. Per unit taxes are generally applied to specific goods, services, or other activities, usually for very specific reasons. A common reason is to invoke the allocation effect as a means of discouraging the production, consumption, or exchange of the particular commodity.For example, the U.S. Environmental Protection Agency might impose a per unit tax on sulfur dioxide emissions from coal fire power plants as a means of discouraging pollution. Fewer emissions mean fewer taxes. In this case, the value of the emissions is not particularly relevant, only the total quantity. An alternative type of tax is an ad valorem tax, in which the tax base is specified as a dollar value. An ad valorem tax, in contrast to a per unit tax, depends on price. A higher price means a higher tax.
Recommended Citation:PER UNIT TAX, AmosWEB Encyclonomic WEB*pedia, http://www.AmosWEB.com, AmosWEB LLC, 2000-2024. [Accessed: April 25, 2024].
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A communal society, a prime component of Karl Marx's communist philosophy, was advocated by the Greek philosophy Plato.
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"Sometimes when you innovate, you make mistakes. It is best to admit them quickly and get on with improving your other innovations. " -- Steve Jobs, Apple Computer founder
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APR
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