(I didn't downvote) His point is that economic growth in developed countries requires advances in technology (to get beyond the 0-4% gdp growth) while in develo

(I didn't downvote) His point is that economic growth in developed countries requires advances in technology (to get beyond the 0-4% gdp growth) while in developing countries copying can do (that's why china has 10% gdp growth). i.e. the average chinese can earn a living just by importing technologies (in the short run), while an american need to invent new technology to earn a living.