Why is the PPF bowed outward?

Related questions

1. How is marginal benefit measured?
2. What is PPC in economics class 11?
3. Can PPC curve be a straight line?
4. Why is PPF convex?
5. What do points on the PPC represent?
6. What is PPC and its features?
7. Is PPC Convex to origin?
8. What is production possibility frontier PPF or transformation curve and how the curve is derived?
9. Why PPC is also called transformation curve?
10. What is PPC explain with diagram?

Tags

1. #resources
2. #usual
3. #outward
4. #features
5. #increasing
6. #production
7. #shorts
8. #trade
9. #straight
10. #bowed
11. #between
12. #because
13. #opportunity
14. #constant
15. #another
16. #suited