Thomas Palley has a new blog post detailing how much recent new Keynesian theory is a rediscovery of ideas developed by old Keynesians and Post Keynesians over the past thirty years and that new Keynesians persistently fail to acknowledge that precedence.
New Keynesianism as a Club
Club, noun. 1. An association or organization dedicated to a particular interest or activity. 2. A heavy stick with a thick end, especially one used as a weapon.
Paul Krugman’s economic analysis is always stimulating and insightful, but there is one issue on which I think he persistently falls short. That issue is his account of New Keynesianism’s theoretical originality and intellectual impact.
Read more here.