This assumes an efficient global market, without interference from other state actors. If other countries are implementing protectionist policies, like keeping

This assumes an efficient global market, without interference from other state actors. If other countries are implementing protectionist policies, like keeping semiconductors for themselves or supplying other nations first to curry favors or improved relationships, for example, it might be in another nations interest to increase fab capacity with its borders to avoid being vulnerable to those political and diplomatic factors.