This report analyzes the concepts of demand and supply in context of FamilyMart, the second largest store chain in Japan. It discusses the influencing factors and changes in demand and supply curves, and also explores conventional and contemporary economic theories and their application in the business. The report concludes that demand and supply have an inverse relationship in economics and that various factors impact the demand of products and services in markets. It also suggests that the application of conventional and contemporary economic theories can aid in understanding macroeconomic issues in the economy.