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A product class is a group of products that are homogeneous or generally considered as substitutes for each other. The class is considered as narrow or broad depending on how substitutable the various products are. For example, a narrow product class of breakfast meats might be bacon, ham, and sausage. A broad product class would include all other meat and meat substitutes even occasionally sold for breakfast use.[1]


  1. ^ American Marketing Association. AMA Dictionary.

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