The JPE Paper on Karl Marx

In the year 1916, Karl Marx was mentioned more frequently in English books than Isaac Newton, Jeremy Bentham, Alfred Marshall, David Hume, and David Ricardo. Mark Twain, Benjamin Franklin, Herbert Spencer, and John Stuart Mill are bigger than Marx as of 1916. And I also know from discussions at Philhead with people that the synthetic Karl Marx was other socialists, people like LaSalle and Prudone and Red Burtis. They're certainly not of the stature of some of the other names just throughout their careers. So yes, it is true. If you consult Table Three of the paper, it's showing that for the English synthetic control group, the years were 1878 to