If you're going to base the game mechanics around spurious group psychology theories, you may as well use ones from the period: http://www.archive.org/stream/crowdastudypopu00bongoog#page/n5/mode/2up
We actually based our mechanics on what would work best in the game. Remember in Victoria, all those angry free marketers who wanted pensions and kept electing a liberal goverment who refused to give them one? Well in Victoria 2 this will no longer happen.