In that case, then the medallions <i>also</i> include the value of owners being able to maintain their monopoly through lobbying efforts.<p>Whether or not you have any sympathy for them, striking a deal is the best solution.<p>(Other question: do you have any sympathy for poor people who are hurt a bit by a carbon tax? Elsewhere in this discussion people are arguing against the tax because it hurts the poor. I think it would be a bit weird to be sympathetic to poor people who are hurt a little by a policy decision, but unsympathetic to slightly less poor people who are hurt a lot by a policy decision.)