The Copenhagen Consensus 2012: reflections on impact evaluation’s role in the tyranny of the known
Very recently, the results of the third global Copenhagen Consensus were released. This is a semi-regular event self-billed as an effort to put together “the world’s smartest minds to analyze the costs and benefits of different approaches to tackling the world’s biggest problems”. This year’s consensus exercise seeks to determine the best ways of advancing welfare by “supposing that an additional $75 billion of resources were at [the experts’] disposal over a 4-year period”.