The Schumpeterian R&D Model of Technological Progress Suggests That, All

The Schumpeterian R&D model of technological progress suggests that, all other things equal:

A) large countries grow faster than small countries only if they are open to free trade.
B) small countries grow faster than large countries regardless of their trade policies.
C) large countries grow faster than small countries.
D) large countries will always grow slower than small countries.