My classification scheme comes from Marc Lavoie in this fascinating paper here.
My only difference is that I do not regard MMT as part of Institutionalist economics.
(1) Should Krishna Bharadwaj, Pierangelo Garegnani and Luigi Pasinetti be included in the Sraffians group or separately as I have done here?Further Reading
(2) Were Roy Harrod, James E. Meade and E. Austin G. Robinson Post Keynesians or did they basically remain neoclassical synthesis Keynesians?
(3) Should Wynne Godley simply be listed as a Kaldorian or separately?
(4) Where should the following Post Keynesians go?:John Eatwell
John Barkley Rosser
“Post Keynesian Economists: A List,” March 1, 2012.