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