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  2. Glossary of economics - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_economics

    An economic theory that defines wealth by the amount of precious metals owned. [48] business cycle. Also called the economic cycle or trade cycle. The downward and upward movement of gross domestic product (GDP) around its long-term growth trend. [49] The length of a business cycle is the period of time containing a single boom and contraction ...

  3. Law of demand - Wikipedia

    en.wikipedia.org/wiki/Law_of_demand

    A change in demand is indicated by a shift in the demand curve. Quantity demanded, on the other hand refers to a specific point on the demand curve which corresponds to a specific price. A change in quantity demanded therefore refers to a movement along the existing demand curve. However, there are some exceptions to the law of demand.

  4. Supply and demand - Wikipedia

    en.wikipedia.org/wiki/Supply_and_demand

    Supply chain as connected supply and demand curves. In microeconomics, supply and demand is an economic model of price determination in a market.It postulates that, holding all else equal, the unit price for a particular good or other traded item in a perfectly competitive market, will vary until it settles at the market-clearing price, where the quantity demanded equals the quantity supplied ...

  5. Fundamental theorems of welfare economics - Wikipedia

    en.wikipedia.org/wiki/Fundamental_theorems_of...

    His answer is an informal precursor of the second theorem: Having distributed goods according to the answer to the first problem, the state should allow the members of the collectivity to operate a second distribution, or operate it itself, in either case making sure that it is performed in conformity with the workings of free competition. [20]

  6. Zero-order process (statistics) - Wikipedia

    en.wikipedia.org/wiki/Zero-order_process...

    In probability theory and statistics, a zero-order process is a stochastic process in which each observation is independent of all previous observations. For example, a zero-order process in marketing would be one in which the brands purchased next do not depend on the brands purchased before, implying a fixed probability of purchase since it is zero order in regards to probability.

  7. Inferior good - Wikipedia

    en.wikipedia.org/wiki/Inferior_good

    The shift in consumer demand for an inferior good can be explained by two natural economic phenomena: The substitution effect and the income effect. These effects describe and validate the movement of the demand curve in (independent) response to increasing income and relative cost of other goods. [9]

  8. Generalized second-price auction - Wikipedia

    en.wikipedia.org/wiki/Generalized_second-price...

    The generalized second-price auction (GSP) is a non-truthful auction mechanism for multiple items. Each bidder places a bid. The highest bidder gets the first slot, the second-highest, the second slot and so on, but the highest bidder pays the price bid by the second-highest bidder, the second-highest pays the price bid by the third-highest, and so on.

  9. Microeconomics - Wikipedia

    en.wikipedia.org/wiki/Microeconomics

    At the point where marginal profit reaches zero, further increases in production of the good stop. For movement to market equilibrium and for changes in equilibrium, price and quantity also change "at the margin": more-or-less of something, rather than necessarily all-or-nothing.