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Xiajun Pan - University of Florida. Gainesville, FL, US

Xiajun Pan

Associate Professor | University of Florida

Gainesville, FL, UNITED STATES

Xiajun Pan researches supply chain and retail operations management, business analytics and operations-marketing/information interface.


Xiajun Pan is a tenured associate professor of information systems and operations management in the Warrington College of Business. Xiajun is also a member of the National Science Foundation Center for Big Learning. Xiajun's research interests include supply chain management, retail operations management, business analytics and operations-marketing/information interface. Xiajun has conducted consulting projects for a large transportation company and has developed decision models that saved the company millions of dollars.

Areas of Expertise (4)

Business Analytics

Operations-Marketing/Information Interface

Retail Operations Management

Supply Chain Management

Media Appearances (3)

Why wholesale selling persists, despite agency selling growth

UF Warrington College of Business  online


In 2021, e-commerce sales topped $870 billion in the United States, an increase of over 50% in just two years. As Americans have steadily continued clicking ‘add to cart’ for their items, retailers have sought the most strategic ways to sell products online.

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Why retailers sell generic brand items, despite low sales

UF Warrington College of Business  online


Search ‘women’s tops’ on Amazon, and the online retail giant will yield more than 100,000 results. Some of the brands will likely be familiar – Nike, Hanes, Calvin Klein – but there are also a number of brands that don’t have the same name recognition.

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New research highlights why it’s advantageous to produce store brand products, even those that aren’t popular with customers

UF Warrington College of Business  online


An essential aspect of any family or individual’s expenses is food, and it’s a rather large expense. Americans, on average, spend $660 on food per month. One way to help reduce food expenses is buying store brands, and more and more consumers are doing so every day. In fact, in 2018, 78% of U.S. consumers purchased store brand items.

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Articles (3)

Implications of product substitutability in a distribution channel

Production and Operations Management

Quan Zheng, et. al


This paper examines the effect of product substitutability on the equilibrium profits in a distribution channel of two symmetric manufacturers selling substitutable products to consumers through a nonexclusive retailer. Conventional wisdom suggests that when the products are more substitutable, the retailer will be better off while the manufacturers will be worse off, owing to the dominance of the competition effect of substitutability.

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Agency or wholesale? The role of retail pass-through

Management Science

Honggang Hu, et. al


With the rapid growth of e-commerce, agency selling is currently gaining popularity among online retailers (e-tailers). Prior research implicitly abstracts away cross-brand pass-through under traditional wholesale selling (i.e., how the retail price of another brand adjusts to changes in a given brand’s wholesale price) and suggests that a shift to agency selling benefits e-tailers but harms suppliers.

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Store-brand introduction and multilateral contracting

Manufacturing and Service Operations Management

Quan Zheng, et. al


We explore the impacts of store-brand (SB) introduction on multilateral contracting in vertical supply relationships that involve two upstream national-brand manufacturers (NBMs) selling through a common retailer. Two different information structures are scrutinized: simultaneous (secret offers) versus sequential contracting (public offers), essentially different timing by which the NBMs contract with the retailer.

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