That's why socialist Europe does so damn well in the productivity department.
/ sarc
Your "experts" are marxist educated jackasses and fools.
Or... they could be Nobel laureates in Economics, but what's that worth, right?
I don't think I ever suggested socialism, so I'm not sure why you brought it up. Generally I'm not a fan of socialism. And you should actually read my comments and stances on taxes - this may illuminate your otherwise flawed characterization of my viewpoint on the subject.