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  2. Substitute good - Wikipedia

    en.wikipedia.org/wiki/Substitute_good

    Substitute good. In microeconomics, substitute goods are two goods that can be used for the same purpose by consumers. [1] That is, a consumer perceives both goods as similar or comparable, so that having more of one good causes the consumer to desire less of the other good. Contrary to complementary goods and independent goods, substitute ...

  3. Price of oil - Wikipedia

    en.wikipedia.org/wiki/Price_of_oil

    The price of oil, or the oil price, generally refers to the spot price of a barrel (159 litres) of benchmark crude oil —a reference price for buyers and sellers of crude oil such as West Texas Intermediate (WTI), Brent Crude, Dubai Crude, OPEC Reference Basket, Tapis crude, Bonny Light, Urals oil, Isthmus, and Western Canadian Select (WCS).

  4. Supply and demand - Wikipedia

    en.wikipedia.org/wiki/Supply_and_demand

    Figure 1: The price P of a product is determined by a balance between production at each price (supply S) and the desires of those with purchasing power at each price (demand D). The diagram shows a positive shift in demand from D 1 to D 2, resulting in an increase in price (P) and quantity sold (Q) of the product.

  5. Law of supply - Wikipedia

    en.wikipedia.org/wiki/Law_of_supply

    The law of supply is a fundamental principle of economic theory which states that, keeping other factors constant, an increase in sales price results in an increase in quantity supplied. [1] In other words, there is a direct relationship between price and quantity: quantities respond in the same direction as price changes.

  6. Law of demand - Wikipedia

    en.wikipedia.org/wiki/Law_of_demand

    The law of demand is represented by a graph called the demand curve, with quantity demanded on the x-axis and price on the y-axis. Demand curves are downward sloping by definition of the law of demand. The law of demand also works together with the law of supply to determine the efficient allocation of resources in an economy through the ...

  7. Why Gas Prices Rise Quickly but Fall Slowly - AOL

    www.aol.com/news/2011-03-18-why-gas-prices-rise...

    You'll be able to buy your next 10,000 gallons at the lower price and cut your pump price by 10 cents per gallon as a result, but if you reduce your prices right away, you wouldn't cover the cost ...

  8. Why are Drug Prices for Rare Diseases on the Rise? - Healthline

    www.healthline.com/health-news/critics-orphan...

    This price, though, could skyrocket to a list price of $89,000 a year now that a U.S. pharmaceutical company has received approval for the drug as a treatment for the rare, fatal disease. In an ...

  9. Price - Wikipedia

    en.wikipedia.org/wiki/Price

    A price display for a tagged clothes item at Kohl's. A price is the (usually not negative) quantity of payment or compensation expected, required, or given by one party to another in return for goods or services. In some situations, especially when the product is a service rather than a physical good, the price for the service may be called ...