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What role for trade in negotiating a post-2012 global climate-policy regime? / John Whalley, VoxEU.org, 23 December 2011http://www.voxeu.org/index.php?q=node/7473In terms of new emissions reductions, little materialised at the climate-change negotiations in Durban in November. This column argues that trade policy could widen the range of jointly beneficial potential outcomes and in this sense be a potential facilitator of an agreed global climate regime. Moreover, trade provides a mechanism for achieving an internalisation outcome for the global externality that climate change represents...