effect of price change on a complementary good taking real life examples project of 5 to 10 pages plzz its urgent
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- When the price of a good that complements a good decreases, then the quantity demanded of one increases and the demand for the other increases. When the price of a substitute good decreases, the quantity demanded for that good increases, but the demand for the good that it is being substituted for decreases.
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In economics, a complementary good is a good whose appeal increases with the popularity of its complement. Technically it displays a negative cross elastic of demand and that demand for it increases when the price of another good decreases.[1] If "A" is a complement to "B" , an increase in the price of "A" will result in a negative movement along the demand curve of "A" and cause the demand curve for "B" to shift in; less of each good will be demanded. This is in contrast to a substitute good whose demand decreases when its substitute's price decreases.[2]
A decrease in the price of A will result in a positive movement along the demand curve of A and cause the demand curve B to shift outward; more of each good will be demanded. The demand of one good is linked to the demand for another good therefore, if a higher quantity is demanded of one good, a higher quantity will also be demanded of the other, and if a lower quantity is demanded of one good, a lower quantity will be demanded of the other.
When two goods are complements, they experience joint demand. For example, the demand for razor blades may depend on the number of razors in use; this is why razors have sometimes been sold as loss leaders, to increase demand for the associated blades.[3] Another example is that sometimes a toothbrush is packaged free with toothpaste. The toothbrush is a complement to the toothpaste. The cost of producing a tooth brush may be higher than toothpaste, but its sales depends on the demand of toothpaste.
All non-complementary goods can be considered substitutes.[4] If "x" and "y" are rough complements in an everyday sense, then consumers are willing to pay more for each marginal unit of good "x" as they accumulate more "y". The opposite is true for substitutes: the consumer is willing to pay less for each marginal unit of good "z" as it accumulates more of good "y".
Complementarity may be driven by psychological processes in which the consumption of one good (e.g., cola) stimulates demand for its complements (e.g., a cheeseburger). Consumption of a food or beverage activates a goal to consume its complements: foods that consumers believe would taste better together. Drinking cola increases consumers' willingness to pay for a cheeseburger. This effect appears to be contingent on consumer perceptions of these relationships rather than their sensory properties.[5]
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