This document provides background information on the French international hypermarket chain Carrefour. It discusses Carrefour's history starting from its founding in the 1960s in France. It then expanded internationally throughout Europe, Asia, and the Americas. The document also describes Carrefour's industry as an oligopoly with hypermarkets standing out through diverse products, convenient locations, and lower prices. Carrefour faces both indirect competition from convenience stores and shopping centers, and direct competition from chains like Walmart, Leclerc, and Aldi. Key factors in Carrefour's success have been competing on low prices, effective promotions, and corporate strategies around construction costs and management. Ongoing challenges include existing and new competitors as well as