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  2. 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 ...

  3. Price elasticity of demand - Wikipedia

    en.wikipedia.org/wiki/Price_elasticity_of_demand

    A good's price elasticity of demand ( , PED) is a measure of how sensitive the quantity demanded is to its price. When the price rises, quantity demanded falls for almost any good ( law of demand ), but it falls more for some than for others. The price elasticity gives the percentage change in quantity demanded when there is a one percent ...

  4. Law of supply - Wikipedia

    en.wikipedia.org/wiki/Law_of_supply

    A supply is a good or service that producers are willing to provide. The law of supply determines the quantity of supply at a given price. [5]The law of supply and demand states that, for a given product, if the quantity demanded exceeds the quantity supplied, then the price increases, which decreases the demand (law of demand) and increases the supply (law of supply)—and vice versa—until ...

  5. Elasticity (economics) - Wikipedia

    en.wikipedia.org/wiki/Elasticity_(economics)

    In economics, elasticity measures the responsiveness of one economic variable to a change in another. [1] If the price elasticity of the demand of something is -2, a 10% increase in price causes the quantity demanded to fall by 20%. Elasticity in economics provides an understanding of changes in the behavior of the buyers and sellers with price ...

  6. Excess supply - Wikipedia

    en.wikipedia.org/wiki/Excess_supply

    Excess supply. In economics, an excess supply, economic surplus [ 1] market surplus or briefly supply is a situation in which the quantity of a good or service supplied is more than the quantity demanded, [ 2] and the price is above the equilibrium level determined by supply and demand. That is, the quantity of the product that producers wish ...

  7. Economic equilibrium - Wikipedia

    en.wikipedia.org/wiki/Economic_equilibrium

    The equilibrium price in the market is $5.00 where demand and supply are equal at 12,000 units; If the current market price was $3.00 – there would be excess demand for 8,000 units, creating a shortage. If the current market price was $8.00 – there would be excess supply of 12,000 units.

  8. Supply shock - Wikipedia

    en.wikipedia.org/wiki/Supply_shock

    e. A supply shock is an event that suddenly increases or decreases the supply of a commodity or service, or of commodities and services in general. This sudden change affects the equilibrium price of the good or service or the economy's general price level . In the short run, an economy-wide negative supply shock will shift the aggregate supply ...

  9. Economic surplus - Wikipedia

    en.wikipedia.org/wiki/Economic_surplus

    Business portal. v. t. e. In mainstream economics, economic surplus, also known as total welfare or total social welfare or Marshallian surplus (after Alfred Marshall ), is either of two related quantities: Consumer surplus, or consumers' surplus, is the monetary gain obtained by consumers because they are able to purchase a product for a price ...