| 01 | Incentives | 63.9 |
| 02 | opportunity cost | 61.2 |
| 03 | supply and demand | 60.0 |
| 04 | Comparative Advantage | 48.7 |
| 05 | Scarcity and Choice | 45.0 |
| 06 | Marginal Analysis | 38.9 |
| 07 | Inflation | 31.7 |
| 08 | Monetary and Fiscal Policy | 30.1 |
| 09 | Scarcity | 30.0 |
| 10 | Demand | 27.4 |
| 11 | Equilibrium | 25.9 |
| 12 | Gains from Trade | 25.0 |
| 13 | Elasticity | 24.6 |
| 14 | Monetary Policy | 22.6 |
| 15 | The Business Cycle | 22.6 |
| 16 | Subjective Value | 19.2 |
| 17 | Externalities and Market Failures | 18.4 |
| 18 | Gross Domestic Product (GDP) | 17.9 |
| 19 | Trade-offs | 17.7 |
| 20 | Spontaneous Order | 15.6 |
| 21 | Efficiency vs. equity | 15.0 |
| 22 | Market Failures | 14.7 |
| 23 | GDP and growth | 14.0 |
| 24 | Money and banking | 13.8 |
| 25 | The Knowledge Problem | 13.5 |
| 26 | 1-page beginner’s guide | 13.2 |
| 27 | Seen and Unseen | 13.1 |
| 28 | college-level version | 13.0 |
| 29 | version focused on investing and personal finance | 12.9 |
| 30 | Rules Matter | 12.8 |