MCQ
Which one of the following alter natives illustrate a decrease in unemployment using the $\text{PPF}$?


- AA movement down along the $\text{PPF}$.
- BA rightward shift of the $\text{PPF}$.
- CA movement from a point on the $\text{PPF}$ to a point inside the $\text{PPF}$.
- ✓A movement from a point inside the $\text{PPF}$ to a point on the $\text{PPF}$.