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- Title
The Impact of Walmart Supercenter Conversion on Consumer Shopping Behavior.
- Authors
Minha Hwang; Sungho Park
- Abstract
This paper presents an empirical study of the impact of Walmart supercenter conversion on consumer shopping behavior. By using a difference-in-difference estimator, we find that Walmart gains 41% in weekly revenue from the conversion. Decomposing the revenue gains into components attributable to store visits and per-visit expenditures, we find that the majority of these gains were due to larger expenditures, with a much smaller impact from store visits. By contrast, among competing retailers, grocery stores experience the most significant loss (20% weekly revenue) mostly from fewer store visits, with a much smaller impact attributable to per-visit expenditure. Taken together, these findings show that consumers may benefit from reduced shopping costs by making fewer overall trips and increasing their Walmart basket sizes. In addition, we find that overall revenue gains for Walmart from conversion outweigh the small cannibalization loss at the existing Walmart supercenters located farther away. Finally, from category-level analyses, we find evidence of increases in category-level spending in preexisting categories in the converted supercenter. However, we also find that positive demand externality is more pronounced in food categories, mainly as a result of increased purchase incidence. We discuss the implications of our findings for academics and retail managers.
- Subjects
SHOPPING; CONSUMER behavior research; HYPERMARKETS; GROCERY industry; WAL-Mart Stores Inc.
- Publication
Management Science, 2016, Vol 62, Issue 3, p817
- ISSN
0025-1909
- Publication type
Article
- DOI
10.1287/mnsc.2014.2143