Abstract
Researchers from diverse fields such as economics, marketing, and operations management have studied product variety. Economists have studied product variety from two perspectives. First, they have studied the impact of a welfare criterion on socially optimal degree of product variety. And second, they have studied various market equilibria resulting from different levels of competitive relationships, product differentiation, and product variety in each firm in the market. Lancaster [17] presents a survey of this line of research on product variety.
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Garg, A., Lee, H.L. (1999). Managing Product Variety: An Operations Perspective. In: Tayur, S., Ganeshan, R., Magazine, M. (eds) Quantitative Models for Supply Chain Management. International Series in Operations Research & Management Science, vol 17. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-4949-9_16
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