Lawrence Ezrow — Do economic inequality and political inequality go together?

Yep. The way I would put it that social asymmetry (class), political asymmetry (power) and economic asymmetry (wealth) are interdependent, and that this is based on institutional arrangements in a society. The focal point is institutional arrangements.

The Washington Post
Do economic inequality and political inequality go together?
Lawrence Ezrow | Professor of Government at the University of Essex in the United Kingdom
ht Mark Thoma at Economist's View

See also

Much wiser and more pervasive than the post suggests, with a very fine line between crime and sharp dealing.

Bloomberg View
How Criminals Built Capitalism
Clive Crook