Most of this is in academic journals, so sitting behind a subscription firewall for most people, but the first page of Chris Niggle's Evolutionary Keynesianism: A Synthesis of Institutionalist and Post Keynesian Macroeconomics gives a hint.
(1. In New Keynesian economics, contra Keynes, in the Long Run we are all Neoclassicals.) I've been accused of being a Marxist, yet while Harpo's my favourite, it's Groucho I'm always quoting. Odd, that.
