Comparative advantage assumes that there is capacity limit. The more productive country might not choose to produce widget A because its limited capacity is better used to create widget B. However, if in a few years, there are enough GPUs to satisfy almost all demand for AI labor, there's no need to "outsource" work that AI is better at to humans.
Jevons paradox might result in much more demand for AI labor, but not necessarily human labor for the same types of work AI can do. It might indirectly increase demand for human services, like fitness trainer, meditation teacher, acupuncturist, etc. though.
Jevons paradox might result in much more demand for AI labor, but not necessarily human labor for the same types of work AI can do. It might indirectly increase demand for human services, like fitness trainer, meditation teacher, acupuncturist, etc. though.