Difference between Marginal Efficiency of Capital and Marginal Efficiency of Investment

This article will help you to learn about the difference between Marginal Efficiency of Capital (MEC) and Marginal Efficiency of Investment (MEI). Difference between Marginal Efficiency of Capital and Marginal Efficiency of Investment Keynes used the term 'marginal efficiency of capital' to refer to the unique rate of discount which would make the present value of the expected net returns [...]