Which are the three elements, which determine a fi rm’s investment decision? What is the diff erence between a fi rm’s MEC schedule and the aggregate MEC schedule? Discuss. What is the marginal effi...

Which are the three elements, which determine a fi rm’s investment decision?

What is the diff erence between a fi rm’s MEC schedule and the aggregate MEC schedule? Discuss.

What is the marginal effi ciency of investment schedule?