Question

what are the factors that shift ppc to left

Answer 1

Heya....

PPC is that curve showing different possible combinations of two goods that can be produced at given resources ...

Factors leading PPC shift left are...

** Decline in resources of production...

** Decline in the efficiency of existing technology ...

Answer 2

Reasons for need of environment friendly economic growth: (i) Present production technology has polluted atmosphere and water bodies with garbage, smoke and poisonous gases. (ii) Rapid economic growth and industrialisation have led to reckless exploitation of natural resources (like fossil fuels).