Match the following economic concepts with their definitions:
| List I (Concept) | List II (Definition) |
| A. Microeconomics | 1. The study of the economy as a whole, including topics like inflation, unemployment, and economic growth. |
| B. Macroeconomics | 2. The study of individual economic agents, such as households, firms, and markets. |
| C. Public Good | 3. A good that is non-rivalrous and non-excludable. |
| D. Merit Good | 4. A good that society believes people will under-consume, and which has positive externalities. |
Choose the correct matching: