As in many of these discussions, this hinges very heavily on the notions of "free exchange" and "consent". How do we account for the effects of power or levera

As in many of these discussions, this hinges very heavily on the notions of "free exchange" and "consent". How do we account for the effects of power or leverage imbalances on free exchange or consent? If you consider violent force and the like as just one extreme on the broad spectrum of potential leverage between two parties, then we see that a primary focus of most governments is to limit or prevent leverage of cetain forms or intensity.