“…As the control principle suggests, extending liability to gatekeepers will tend to be worthwhile when they are good monitors and controllers of the enterprise and agent. Besides the cites in Kraakman (2000), additional recent work on the gatekeeper idea include Mattiacci and Parisi (2003), Ganuza and Gomes (2007), and a large body of work by John Coff ee, including Coff ee (2003Coff ee ( , 2004.…”