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In welfare economics, the theory of the second best concerns the situation when one or more optimality conditions cannot be satisfied. [1] The economists Richard Lipsey and Kelvin Lancaster showed in 1956 that if one optimality condition in an economic model cannot be satisfied, it is possible that the next-best solution involves changing other variables away from the values that would ...
Keynes's simplified starting point is this: assuming that an increase in the money supply leads to a proportional increase in income in money terms (which is the quantity theory of money), it follows that for as long as there is unemployment wages will remain constant, the economy will move to the right along the marginal cost curve (which is ...
Microeconomics is also known as price theory to highlight the significance of prices in relation to buyer and sellers as these agents determine prices due to their individual actions. [11] Price theory is a field of economics that uses the supply and demand framework to explain and predict human behavior.
A nominal income target is a monetary policy target. Such targets are adopted by central banks to manage [1] national economic activity. Nominal aggregates are not adjusted for inflation. Nominal income aggregates that can serve as targets include nominal gross domestic product (NGDP) and nominal gross domestic income (GDI). [2]
Price systems have been around as long as there has been economic exchanges. The price system has transformed into the system of global capitalism that is present in the early 21st century. [2] The Soviet Union and other Communist states with a centralized planned economy maintained controlled price systems. Whether the ruble or the dollar is ...
A related government intervention to price floor, which is also a price control, is the price ceiling; it sets the maximum price that can legally be charged for a good or service, with a common example being rent control. A price ceiling is a price control, or limit, on how high a price is charged for a product, commodity, or service.
In economics, the market price is the economic price for which a good or service is offered in the marketplace. It is of interest mainly in the study of microeconomics . Market value and market price are equal only under conditions of market efficiency , equilibrium , and rational expectations .
Target price may mean: A stock valuation at which a trader is willing to buy or sell a stock; Target pricing – the price at which a seller projects that a buyer ...