> externalities accounted for Well yeah, that's kinda where the problem is. How do we price in all the different kinds of externalities for cotton bags and pla

> externalities accounted for Well yeah, that's kinda where the problem is. How do we price in all the different kinds of externalities for cotton bags and plastic bags in a way that is consistent and everyone agrees with? Debating these externalities and how they should be accounted for is exactly the hard problem the parent comment was talking about.