In fact, domestic producers were often protected from foreign competition at home to ensure that they remained profitable enough to undertake the requisite investments. Countries like Mexico can no longer revert to import protection.
事实上，国内生产商常常能够在国内获得保护免受外国竞争，以确保它们有足够的盈利进行必要的投资。像墨西哥这样的国家已无法回归进口保护。因此它们不得不尝试其他战略以支持国内企业。