Operational Research and Inventory Management of Walmart

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Case study

Operational research and inventory management of Walmart

Table of content

Walmart is an American multinational retail corporation that operates a chain of supermarkets, discount stores and grocery stores. Headquartered in Bentonville, Arkansas, the company was founded by Sam Walton in 1962 and incorporated on October 31, 1969. It also owns and operates Sam's retail stores. As of January 31, 2018, Wal-Mart has 11,718 stores and clubs in 28 countries, Under 59 different names. The company operates under Walmart in the United States and Canada, Walmart de México y Centro América in Mexico and Central America, Asda in the UK, Seiyu Group in Japan, and as the best in India. It has wholly owned operations in Argentina, Chile, Brazil and Canada.

It Is the world's largest revenue maker - around $ 480 billion according to Fortune Global 500 in 2016 - and the world's largest private employer with 2.3 million employees. A company owned by a family owned by the public, as the company is controlled by the Walton family. Sam Walton's heirs own more than 50 percent of Wal-Mart through their holding company, Walton Enterprises, and through their individual holdings. Wal-Mart was the largest grocery retailer in the United States in 2016, and 62.3 percent of Wal-Mart's $ 478,614 was a billion sales from US operations.

The company started the New York Stock Exchange in 1972. By 1988, Wal-Mart was the most profitable retailer in the United States, and by October 1989, it became the largest market in terms of revenue. Originally limited geographically to the south and mid-west, by the early 1990s, the company had coast-to-coast shops Sam opened in New Jersey in November 1989 and opened its first outlet in California in Lancaster in July 1990. A Walmart in New York, Pennsylvania opened in October 1990 the first major store in the northeast.

Also, Wal-Mart's investment outside North America has seen mixed results: its operations in the UK, South America and China have been very successful, while projects in Germany and South Korea have failed. Finally, we have chosen it as one of the best companies in the world managing inventory.

Operations Research: is a science that uses methods and scientific methods to study real problems, then provide more than one solution, and choose the best solution within the available resources. This science belongs to applied mathematics, and has other names such as mathematical programming, decision science, systems analysis, financial engineering, and marketing engineering, but the best is operations research because it covers all previous fields as well as other fields. This is the science of improving or selecting specific processes and methods in order to achieve the optimal solution of the problem in the least time, effort and cost possible with the maximum possible profit. Applications have been extended to several fields. There are many methods of operational research such as mathematical modeling, linear programming, network programming, analysis for decision-making and optimization, operational research requires knowledge of many mathematical sciences such as arithmetic, arithmetic, arithmetic.