%0 Journal Article %T Eco‐efficiency: GHG reduction related environmental and economic performance. The case of the companies participating in the EU Emissions Trading Scheme %A Czerny, Albert %A Letmathe, Peter %J Business Strategy and the Environment %V 26 %N 6 %P 791-806 %@ 0964-4733 %D 2017-09-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve