My guess is almost all of this is totally dependent on the environments you are discussing. Some people have built very productive home work environments but most have not. Most people's office environment is probably better than what they have at home (maybe they have multiple monitors, supplies, a nice chair and desk, etc) but I don't think there's anything specific to office vs. home aside from the investment into productivity of that space.

My guess is some of the folks on here hollering about being way better workers at home are right. They also probably spent several thousand bucks on a nice workspace, keyboard, extra monitor, stand up desk, whatever they need....