This report explores the economic aspects of the retail trade industry in Australia, focusing on Woolworths Group. It covers the introduction to the company and industry, market structure, factors influencing demand and supply of groceries, elasticity, and the impacts of events on the industry. The retail trade industry in Australia is an oligopolistic market dominated by major supermarkets like Woolworths. Factors such as price, related goods, income, and tastes and preferences influence the demand for groceries. Factors such as price, technology, weather conditions, labor, and taxes impact the supply of groceries. The report also discusses the elasticity of groceries and the effects of events, such as COVID-19, on the industry and company.