This document explores the concepts of contemporary business economics and its impact on the retailing business. It discusses the examination of demand and supply laws, the analysis of factors affecting the movement and shift of demand and supply curves in the retail sector. It also evaluates how the concept of emerging theories and models has changed from the twentieth century to the twenty-first century in modern business practices. The document focuses on Dunelm Soft Furnishings Limited, a British home furnishing retailer, and provides insights into the factors affecting the demand and supply of its products.