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Also in 2016, Quizlet launched "Quizlet Live", a real-time online matching game where teams compete to answer all 12 questions correctly without an incorrect answer along the way. [15] In 2017, Quizlet created a premium offering called "Quizlet Go" (later renamed "Quizlet Plus"), with additional features available for paid subscribers.
Government revenue or national revenue is money received by a government from taxes and non-tax sources to enable it, assuming full resource employment, to undertake non-inflationary public expenditure. Government revenue as well as government spending are components of the government budget and important tools of the government's fiscal policy.
In an economy that uses money, the marginal utility of a given quantity of money is equivalent to the marginal utility of the best good or service that could be purchased with that money. This concept is helpful for explaining the principles of supply and demand , and is essential aspects of models of imperfect competition .
Early money consisted of commodities; the oldest being in the form of cattle and the most widely used being cowrie shells. [459] Money has since evolved into governmental issued coins, paper and electronic money. [459] Human study of economics is a social science that looks at how societies distribute scarce resources among different people. [460]
The use of commodity money is similar to barter, but a commodity money provides a simple and automatic unit of account for the commodity which is being used as money. Although some gold coins such as the Krugerrand are considered legal tender , there is no record of their face value on either side of the coin.
[1] [2] Money supply data is recorded and published, usually by the national statistical agency or the central bank of the country. Empirical money supply measures are usually named M1, M2, M3, etc., according to how wide a definition of money they embrace. The precise definitions vary from country to country, in part depending on national ...
The price elasticity of demand is a measure of the sensitivity of the quantity variable, Q, to changes in the price variable, P. It shows the percent by which the quantity demanded will change as a result of a given percentage change in the price. Thus, a demand elasticity of -2 says that the quantity demanded will fall 2% if the price rises 1%.
Fiat money is a type of government issued currency that is not backed by a precious metal, such as gold or silver, nor by any other tangible asset or commodity. Fiat currency is typically designated by the issuing government to be legal tender , and is authorized by government regulation.