Question 9: Which of the following spells the most fundamental difference between the standard Solow model of growth and the standard optimal growth model?
(a) The rate of technology progress is endogenous in the former but exogenous in the latter
(b) The savings rate is exogenous in the former, but endogenous in the latter
(c) Capital utilization is exogenous in the former, but endogenous in the latter
(d) All of the above