Think of a a factory three sewing machines. If one worker is
added to the third vacant sewing machine, output will go up by
quite a bit (exponentially). However, once we add workers after all
sewing machines are utiilized, output will still go up. The fourth
worker will cut the material, clean up, fill in for breaks. But
output, while still going up, will increase in smaller and smaller
increments.
With the law of diminishing returns, capital and technology must...