> or your barber learns to cut hair faster, that all counts as GDP growth. Only if people get their hair cut more as a result. If haircuts take less time, beco

> or your barber learns to cut hair faster, that all counts as GDP growth. Only if people get their hair cut more as a result. If haircuts take less time, become cheaper and people get their hair cut just as often surely GDP would go down. Same for package delivery.