Which of the following statements regarding social enforcement mechanisms is not ​true? ​(Check all that apply.​) A. ​Shame, guilt, and the risk that we will be publicly decried are the various forms of it. B. It is a private solution to the externality problem that invokes a moral code that one should​ 'do the right​ thing'. C. It reduces the net benefit to society. Your answer is correct. D. It is enforced by official government regulations and results in a stiff financial penalty if not followed. Your answer is correct. Which of the following statements regarding internalizing an externality is​ true? A. It means companies and individuals consider the internal effects of their actions. B. It means agents account for the full costs and benefits of their actions. C. It is a theme that separates various solutions to the problem of externalities. D. It results in a market equilibrium that lowers social​ well-being.