Costco Wholesale Corporation is an American multinational corporation and the world's second largest retailer after Walmart. It holds the 15th position on the Fortune 500 rankings. Given its economic power, it is a hot subject for students studying economy and business. Student assignments and essays often focus on the company's profile, its business model and marketing strategy, on comparisons with other major retailers (e.g. Walmart), on examples and strategies of corporate social responsibility exhibited by it, etc. When writing an essay or a research paper on Costco, feel free to go through the samples provided here – these can help you identify some original ideas (that you can explore in greater detail), but also a good structure, outline, introduction, conclusion, etc.