Q1. Some scientists believe that we are rapidly depleting our natural resources. Assume that there are only two inputs (labor and natural resources) producing two goods (concerts and gasoline) with no improvement in society's technology over time.

(a) Show what would happen to the PPF over time as natural resources are exhausted?

(b)How would invention and technological improvement modify your answer?

(c)On the basis of this example, explain why it is said that "economic growth is a race between depletion and invention."