What does concavity of PPC indicate?

Related questions

1. What is marginal rate of transformation?
2. Why is PPC called opportunity cost?
3. Why is a PPF curved instead of straight?
4. What is PPC curve in economics?
5. What is the shape of PPC and why?
6. What is the shape of PPC?
7. What is the transformation curve?
8. Why is PPF bowed outward?
9. What is PPC in economics class 11?
10. What do you mean by PPC or PPF?

Tags

1. #locus
2. #production
3. #point
4. #given
5. #moving
6. #level
7. #curve
8. #commodities
9. #rightward
10. #growth
11. #various
12. #concave
13. #shows
14. #technology
15. #possibility
16. #origin
17. #shifting
18. #which
19. #resources
20. #produced
21. #combinations