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  2. Cobweb model - Wikipedia

    en.wikipedia.org/wiki/Cobweb_model

    The equilibrium price is at the intersection of the supply and demand curves. A poor harvest in period 1 means supply falls to Q 1 , so that prices rise to P 1 . If producers plan their period 2 production under the expectation that this high price will continue, then the period 2 supply will be higher, at Q 2 .

  3. Economic equilibrium - Wikipedia

    en.wikipedia.org/wiki/Economic_equilibrium

    This will tend to put downward pressure on the price to make it return to equilibrium. Likewise where the price is below the equilibrium point (also known as the "sweet spot" [3]) there is a shortage in supply leading to an increase in prices back to equilibrium. Not all equilibria are "stable" in the sense of equilibrium property P3.

  4. Price floor - Wikipedia

    en.wikipedia.org/wiki/Price_floor

    A price floor is a government- or group-imposed price control or limit on how low a price can be charged for a product, [1] good, commodity, or service. It is one type of price support; other types include supply regulation and guarantee government purchase price. A price floor must be higher than the equilibrium price in order to be effective ...

  5. General equilibrium theory - Wikipedia

    en.wikipedia.org/wiki/General_equilibrium_theory

    In partial equilibrium analysis, the determination of the price of a good is simplified by just looking at the price of one good, and assuming that the prices of all other goods remain constant. The Marshallian theory of supply and demand is an example of partial equilibrium analysis.

  6. Price controls - Wikipedia

    en.wikipedia.org/wiki/Price_controls

    A price floor is a government- or group-imposed price control or limit on how low a price can be charged for a product, [21] good, commodity, or service. A price floor must be higher than the equilibrium price in order to be effective. The equilibrium price, commonly called the "market price", is the price where economic forces such as supply ...

  7. Fundamental theorems of welfare economics - Wikipedia

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

    We now turn to conditions under which a price quasi-equilibrium is also a price equilibrium, in other words, conditions under which the statement "if > then " imples "if > then >". For this to be true we need now to assume that the consumption set X i {\displaystyle X_{i}} is convex and the preference relation ≥ i {\displaystyle \geq _{i}} is ...

  8. Effect of taxes and subsidies on price - Wikipedia

    en.wikipedia.org/wiki/Effect_of_taxes_and...

    The original equilibrium price is $3.00 and the equilibrium quantity is 100. The government then levies a tax of $0.50 on the sellers. This leads to a new supply curve which is shifted upward by $0.50 compared to the original supply curve. The new equilibrium price will sit between $3.00 and $3.50 and the equilibrium quantity will decrease.

  9. Microeconomics - Wikipedia

    en.wikipedia.org/wiki/Microeconomics

    Price theory is a field of economics that uses the supply and demand framework to explain and predict human behavior. It is associated with the Chicago School of Economics. Price theory studies competitive equilibrium in markets to yield testable hypotheses that can be rejected. Price theory is not the same as microeconomics.