define:

1. Law of Demand

2. Marginal Analysis

3. 'Thinking on the margin'

4. Utility

5. Utility Function

6. Incentive

7. Law of Supply

8. Profit Maximization

9. Import Duties/Tariffs

10. 'There is no such thing as a free lunch.'

11. Capitalism and Private Property

12. Tragedy of the Commons

13. Game Theory

14. Prisoner's Dilemma (as it relates to game theory)

15. Opportunity Cost