1. What is economics? What role does economics play in your personal and organizational decisions? Provide an example of the role of economics in decision making.

2. What is the definition of price elasticity of demand? What is the relationship between price elasticity of demand and total revenue? How does price elasticity of demand affect a firm’s pricing decisions? How does the availability of substitutes affect the price elasticity of demand? Provide a real-world example that illustrates your points.