If ‘corporations are people too’ and they can be bought and sold, does that raise a 13th Amendment Issue? Obviously it does not, since it has not, but the inquiry as to why motivates a forthcoming paper by Jack Balkin and Sandy Levinson. See Corporations and the Thirteenth Amendment for more.
It seems almost obligatory to mention the very amusing novel by Dani Kollin & Eytan Kollin, The Unincorporated Man, which operates on the premise that society becomes organized on the principle that we are each a legal entity that raises capital by issuing shares in our future revenues — with the accompanying loss of important degrees of control over our fates if we don’t own a majority in ourselves. (One warning: I found the sequel, The Unincorporated War, to be an enormous disappointment. Not sure if I will read the next one.