O'Neill, John. Conceptions of value in environmental decision-making / John O'Neill and Clive L. Spash. - Cambridge : Cambridge Research for the Environment, 2000. - 18p. - Policy research brief (EVE) ; no. 4 . - Policy research brief (EVE) ; no. 4 . ISBN: 1861900848 Subjects--Topical Terms: Environmental policy--Decision-making.--EuropeEnvironmental economics--Europe.