In the last few decades, large supermarkets (referring to all modern retail, which includes chain stores of various formats such as hypermarkets, convenience and neighborhood stores) have changed the retail business landscape in many countries through larger store formats, more shelf space, an increased variety of goods and services, and extensive marketing strategies. The so-called “supermarket revolution” has been underway in developing countries since the early 1990s, and supermarkets have now gone well beyond their initial upper and middle class cust...