The endogenous growth model appears consistent with the fact that there are

A.

persistent differences in income per worker between the poorer countries and the richer countries.

B.

persistent differences in government spending between the poorer countries and the richer countries.

C.

persistent differences in consumption per worker between the poorer countries and the richer countries.

D.

persistent differences in education per worker between the poorer countries and the richer countries.

E.

persistent differences in infrastructure between the poorer countries and the richer countries.