The assignment provided is an in-depth analysis of Sainsbury's market, which has been identified as an oligopoly due to its characteristics. The report concludes that Sainsbury's has adopted economical price policies to sell its products to customers, leading to high profitability ratios when market growth and profitability factors are enhanced. The summary references various books and journals on global business, social theory, and environmental strategies, indicating a comprehensive approach to understanding the competitive environment.