Pricing and Pack Size: Brand, Quantity, and Cost Considerations in Purchasing Multipacks of Toothpaste
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The US market for toothpaste, like many other goods, is shifting towards selling in bulk. Multipacks of toothpaste require quantity discounts to incentivize consumers, making buying in bulk a great deal for the savings-minded toothpaste-shopper. It is more difficult to understand, however, producers’ willingness to sell multipacks of toothpaste, when margins are necessarily slimmer than single tubes due to quantity discounts. This paper explores the consumer’s decision in purchasing toothpaste as an interaction between savings on price and inventory considerations, like shopping and carrying costs. My model combines aspects of prior works on second degree price discrimination and quantity discounts with alterations to fit the intricacies of the market for toothpaste. The model’s predictions support the possibility of pack size as a tool for second degree price discrimination as shopping and carrying costs constitute two markets with different price elasticities of demand for single and multipacks of toothpaste. This work adds to the existing literature on storable goods and non-linear pricing and brings a new economics-based approach to a question faced by toothpaste producers.
CitationWiehe, Stephanie (2019). Pricing and Pack Size: Brand, Quantity, and Cost Considerations in Purchasing Multipacks of Toothpaste. Honors thesis, Duke University. Retrieved from https://hdl.handle.net/10161/18421.
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Rights for Collection: Undergraduate Honors Theses and Student papers