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Brinkman, M., Fankhauser, S., Irons, B. and Weyers, S., 2009. The carbon market in 2020: volumes, prices and gains from trade. Centre for Climate Change Economics and Policy Working Paper. [online] Leeds ; London: Centre for Climate Change Economics and Policy. Available at: <https://www.lse.ac.uk/granthaminstitute/publication/the-carbon-market-in-2020-volumes-prices-and-gains-from-trade/>.