1. _____ plays a key role in microeconomics. Optimization Optimizing Optimized Optimize 2. The _____ maximization problem is the heart of consumer theory. opportunity utility demand cost 3. _____ is the limited nature of society’s resources. Opportunity demand Scarcity Cost 4. _____ the quantity of goods and services produced from each unit of labor input. Productivity Demand Cost Scarcity 5. _____ is the property of distributing economic prosperity uniformly among the members of society. Demand Equality Productivity Cost 6. _____ is the property of society getting the most it can from its scarce resources. Scarcity Efficiency Cost Demand