Here's a link to the paper if you're interested: http://www.mit.edu/~mrognlie/piketty_diminishing_returns.pdf http://www.mit.edu/~mrognlie/piketty_diminishing_

Here's a link to the paper if you're interested: http://www.mit.edu/~mrognlie/piketty_diminishing_returns.pdf http://www.mit.edu/~mrognlie/piketty_diminishing_returns.pdf