Holy crap, sorry, that was totally unintentional. You're absolutely correct - it lends a huge visual bias. That being said, if you look at the slope of the li

Holy crap, sorry, that was totally unintentional. You're absolutely correct - it lends a huge visual bias. That being said, if you look at the slope of the lines in all three views, it's still easy to see that they diverge. In the 1950s one, you can tell that the GDP takes off in the 80s without bringing compensation with it, and the productivity does the same in the mid-70s. This is directly contrary to the whole "rising tide raises all boats" arguments from that era.