Print 5.0 Overview 5.1 Learning Outcomes 5.2 Supply and Demand of Energy 5.3 Value and Quantity of Light as a Commodity 5.4 Price Elasticity of Demand 5.5 Energy Constraint and Response 5.6 Discussion Activity 5.7 Summary and Final Tasks ‹ 4.11 Summary and Final Tasks up 5.0 Overview ›