%0 Journal Article %T Contingent Valuation and Real Economic Commitments: Evidence from Electric Utility Green Pricing Programmes %A Byrnes*, Brian %A Jones†, Clive %A Goodman‡, Sandra %J Journal of Environmental Planning and Management %V 42 %N 2 %P 149-166 %@ 1360-0559 %D 1999-03-01 %I Taylor & Francis Group %~ DeepDyve