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Describe a constant-sum scale and discuss when a researcher might use this type of scale.
Substitute Product
A product or good that a consumer can use in place of another.
Substitutes
Products or services that can be used in place of each other.
Substitutes
Products or services that can be used in place of one another, where an increase in the price of one leads to an increased demand for the other.
Complements
Goods or services that are used together, where an increase in the consumption of one leads to an increase in the consumption of the other.
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