It’s a question being asked more and more. How many of the things that we privatised should be brought back under state control, as energy companies record massive profits, yet those on low incomes are struggling to heat their homes? In the UK privatisation was rampant in the eighties, but were mistakes made? Steve Keen has a simple test as to whether some things are best managed by the public sector or the private sector? But what about public-private partnerships? Are they potentially the worst outcome of all?