TY - BOOK AU - Anja von Moltke; et al AU - Anja von Moltke; et al TI - The use of economic instruments in environmental policy : : opportunities and challenges T2 - Nations Unies.; Document SN - 928072391X PY - 2004///] CY - [Geneva] PB - [UNEP Division of Technology, Industry and Economics KW - Environmental policy -- Economic aspects. KW - Environmental policy -- Economic aspects -- Case studies. KW - Environmental policy -- Economic aspects -- Developing countries ER -