Which of the Following Statements Is FALSE

Which of the following statements is FALSE?

A) endogenous growth theory relies on constant returns to scale of capital alone to generate ongoing growth
B) endogenous growth theory predicts that an increase in population growth will always lead to an increase in the overall growth rate
C) the microeconomics underlying endogenous growth theory emphasizes the existence of substantial external returns to capital
D) endogenous growth theory predicts that a high savings rate can generate a high growth rate
E) empirical evidence suggests that endogenous growth theory is not very important for explaining differences in growth among countries