A substitute good is one that can be used in place of another good whereas a complementary good is one that is used together with another good.
Complementary goods are two goods that an increase in the price of Good A will cause the demand curve for Good B to shift left. In other words, less of Good B is demanded at every price because the price of Good A has increased. A decrease in the price of Good A will cause the demand curve for Good B to shift right. For example, say Good A is peanut butter and Good B is bread. If the price of peanut butter goes up, people will buy less peanut butter. Since peanut butter and bread are complementary goods, when people buy less peanut butter, they will also buy less bread because they don't need as much bread if they don't have as much peanut butter. Substitute goods are two goods that an increase in the price of Good A will cause the demand curve for Good B to shift right. In other words, more of Good B is demanded at every price because the price of Good A has increased. A decrease in the price of Good A will cause the demand curve for Good B to shift left. For example, say Good A is margarine and Good B is butter. Both are used as spread. If the price of margarine goes up, people will buy butter instead. That's why margarine and butter are substitute goods. The butter can act as a substitute for the margarine.
A graph of complimentary goods in economics represents the relationship between the price of of commodity & demand for it's complementary. Thus it shows a inverse relationship.
Complementary goods are consumed together.
Substitutes and complements is the fact that a change in price of one of the goods has an impact on the demand for the other good. For substitutes, an increase in the price of one of the goods will increase demand for the substitute good. (It's probably not surprising that an increase in the price of Coke would increase the demand for Pepsi as some consumers switch over from Coke to Pepsi.) It's also the case that a decrease in the price of one of the goods will decrease demand for the substitute good.
Good that is used together with another good.
Complementary goods are two goods that an increase in the price of Good A will cause the demand curve for Good B to shift left. In other words, less of Good B is demanded at every price because the price of Good A has increased. A decrease in the price of Good A will cause the demand curve for Good B to shift right. For example, say Good A is peanut butter and Good B is bread. If the price of peanut butter goes up, people will buy less peanut butter. Since peanut butter and bread are complementary goods, when people buy less peanut butter, they will also buy less bread because they don't need as much bread if they don't have as much peanut butter. Substitute goods are two goods that an increase in the price of Good A will cause the demand curve for Good B to shift right. In other words, more of Good B is demanded at every price because the price of Good A has increased. A decrease in the price of Good A will cause the demand curve for Good B to shift left. For example, say Good A is margarine and Good B is butter. Both are used as spread. If the price of margarine goes up, people will buy butter instead. That's why margarine and butter are substitute goods. The butter can act as a substitute for the margarine.
A complementary good is one used in conjunction with another good or service.
There is no difference between the phrases, "good in" or "good at". If a person is good in Mathematics, they are also good at Mathematics.
A graph of complimentary goods in economics represents the relationship between the price of of commodity & demand for it's complementary. Thus it shows a inverse relationship.
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Direct competition is a company that offers a product that customers may choose over your product. Indirect competition is a company that offers a substitute good.
Complementary goods are two goods that an increase in the price of Good A will cause the demand curve for Good B to shift left. In other words, less of Good B is demanded at every price because the price of Good A has increased. A decrease in the price of Good A will cause the demand curve for Good B to shift right. For example, say Good A is peanut butter and Good B is bread. If the price of peanut butter goes up, people will buy less peanut butter. Since peanut butter and bread are complementary goods, when people buy less peanut butter, they will also buy less bread because they don't need as much bread if they don't have as much peanut butter. Substitute goods are two goods that an increase in the price of Good A will cause the demand curve for Good B to shift right. In other words, more of Good B is demanded at every price because the price of Good A has increased. A decrease in the price of Good A will cause the demand curve for Good B to shift left. For example, say Good A is margarine and Good B is butter. Both are used as spread. If the price of margarine goes up, people will buy butter instead. That's why margarine and butter are substitute goods. The butter can act as a substitute for the margarine.
Complementary goods are consumed together.
In products, they mean the same thing - two products working together. An example of this is a brand of mobile phone sleeves that matches a brand of mobile phones. A supplementary product is one that allows another to function, like refills for a ballpen. More commonly though, a supplementary product is a term used in economics for a good that does not substitute another good but for which the demand rises when the price of another good increases. When the price for gym membership rises, the demand for hometrainers increases, as an example.
Substitutes and complements is the fact that a change in price of one of the goods has an impact on the demand for the other good. For substitutes, an increase in the price of one of the goods will increase demand for the substitute good. (It's probably not surprising that an increase in the price of Coke would increase the demand for Pepsi as some consumers switch over from Coke to Pepsi.) It's also the case that a decrease in the price of one of the goods will decrease demand for the substitute good.
you are and you do
"Complimentary" means expressing praise or admiration, or provided at no cost. "Complementary" means combining in such a way as to enhance or emphasize each other's qualities or characteristics, or completing another.