"Warehouse clubs and supercenters have expanded into market segments long dominated by department stores and supermarkets, eroding employment and sales in these giants of retail trade. The increasing dominance of warehouse clubs and supercenters will force yet more structural changes upon the industry. This article reviews recent trends in employment, sales, and establishment data for warehouse clubs and supercenters, department stores, and food and beverage stores. The analysis presented looks at the increasing dominance of supercenters and its effect on employment in the more traditional retailers: food and department stores."

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